|
 |
|
|
|
|
| Abalone Shell |
|
| Extra Grade: |
Beautiful combination of colors, high flash (chatoyancy) |
| A Grade: |
Nice combination of colors, good flash (chatoyancy) |
| B Grade: |
Poor color combination and/or poor chatoyancy |
 | | Extra Grade |
|
 | | A Grade |
|
|
|
| Actinolite |
|
| Extra Grade: |
Beautiful green color, partially translucent, <10% matrix |
| A Grade: |
Nice green color, partally translucent, 10% - 25% matrix |
| B Grade: |
Poor green color, opaque and/or >25% matrix |
|
|
|
| Adamite |
|
| Extra Grade: |
Beautiful clear, yellow, red, pink, green, blue or purple color, transluscent, <10% matrix |
| A Grade: |
Nice clear, yellow, red, pink, green, blue or purple color, partially transluscent, 10% - 25% matrix |
| B Grade: |
Poor clear, yellow, red, pink, green, blue or purple color, opaque, > 25% matrix |
|
|
|
| Agate |
|
| Extra Grade: |
See Specific Stone Color for Grading |
|
|
|
| Alexandrite in Biotite |
|
| Extra Grade: |
Beautiful green color with black mica deposits, translucent, <10% Matrix |
| A Grade: |
Nice green color with black mica deposits, opaque, 10% - 25% Matrix |
| B Grade: |
Poor green color with black mica deposits, opaque and/or >25% Matrix |
|
|
|
| Amazonite |
|
| Extra Grade: |
Beautiful green and white color, little to no matrix |
| A Grade: |
Nice green and white color, < 25% matrix |
| B Grade: |
Poor green and white color and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Amber |
|
| Extra Grade: |
Beautiful amber (yellow-orange) color, transparent, <10% inclusions/matrix |
| A Grade: |
Nice amber (yellow-orange) color, partially translucent, 10% - 25% inclusions/matrix |
| B Grade: |
Poor amber (yellow-orange) color, opaque and/or >25% inclusions/matrix |
|
|
|
| Amethyst |
|
| Extra Grade: |
Deep dark purple to beautiful light purple color, partially translucent, 10-25% |
| A Grade: |
Nice purple dark to light color, partially translucent, >25% Matrix |
| B Grade: |
Poor purple color, opaque, >25% Matrix
C: Poor purple color, opaque, >75% Matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
 | | B Grade |
|
|
|
| Ametrine |
|
| Extra Grade: |
Beautiful purple with golden Citrine, translucent to transparent, <25% matrix |
| A Grade: |
Nice Purple with golden Citrine, translucent to transparent, 25-50% matrix |
| B Grade: |
Poor color, partially translucent to transparent and/or > 50% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Ammonite |
|
| Extra Grade: |
These are graded by formation versus Rainbow Ammonite which is graded by flash and formation |
| B Grade: |
Poor shell formation, over 40% filler |
|
|
|
| Amphibole Quartz |
|
| Extra Grade: |
Beautiful ice water clear quartz with white, yellow or orange inclusion, translucent, < 10% matrix |
| A Grade: |
Nice clear quartz with white, yellow or orange inclusion, partially translucent, 10% - 25% matrix |
|
|
|
| Angelite |
|
| Extra Grade: |
Beautiful sky blue, opaque, <10% white/orange Matrix |
| A Grade: |
Nice sky blue, opaque, 10-25% Matrix |
| B Grade: |
Light/Dark blue, opaque, 25-50% Matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Antigorite |
|
| Extra Grade: |
Beautiful green color, partially translucent, < 10% matrix |
| A Grade: |
Nice green color, opaque, 10-25% matrix |
| B Grade: |
Poor green color, opaque and/or >25% Matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Apache Tears |
|
| Extra Grade: |
Beautiful jet black color, transluscent, <10% matrix |
| A Grade: |
Nice black color, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor black color, opaque and/or >25% matrix |
 | | Extra Grade |
|
| | Extra Grade |
|
 | | A Grade |
|
|
|
| Apatite |
|
| Extra Grade: |
Beautiful blue (or other color) with some translucency |
| A Grade: |
80% or more blue (or other color) and good color |
| B Grade: |
Less than 80% blue (or other color) and/or poor color |
|
|
|
| Apophyllite |
|
| Extra Grade: |
Ice water clear, transparent, no matrix |
| A Grade: |
Very clear, partially transparent, <10% matrix |
| B Grade: |
Cloudy, translucent and/or >10% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Aqua Aura |
|
| Extra Grade: |
Beautiful blue color, transparent, <10% matrix |
| A Grade: |
Nice blue color, translucent, 10% - 25% matrix |
| B Grade: |
Poor blue color, opaque and/or >25% matrix |
 | | Extra Grade |
|
 | | B Grade |
|
|
|
| Aquamarine |
|
| Extra Grade: |
Beautiful blue, translucent, 10-25% matrix |
| A Grade: |
Nice blue with little to no green/yellow, partially transculent, 25-50% martix |
| B Grade: |
Poor color (green or blue/green), 50-75% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Aragonite |
|
| Extra Grade: |
Tumbled: Light and dark brown with beautiful striped pattern, <10% Matrix & Natural Crystals: Beautiful coral/orange color, translucent, < 10% matrix |
| A Grade: |
Tumbled: Light and dark brown with nice striped pattern, 10-25% Matrix & Natural Crystals: Nice coral/orange/brown color, partially translucent, 10-25% matrix |
| B Grade: |
Tumbled: Light and dark brown with striped pattern, >25% Matrix & Natural Crystals: Poor coral/orange/brown color, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Aventurine |
|
| Extra Grade: |
See Specific Stone Color for Grading |
|
|
|
| Axinite |
|
| Extra Grade: |
Beautiful brown color, partially translucent, <10% matrix |
| A Grade: |
Nice brown color, opaque, 10% - 25% martix |
| B Grade: |
Poor brown color, opaque, >25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Azurite |
|
| Extra Grade: |
Beautiful blue color, opaque, <10% matrix |
| A Grade: |
Nice blue color, opaque, 10% - 25% matrix |
| B Grade: |
Poor blue color, opaque and/or >25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
 | | B Grade |
|
|
|
|
|
| Banded Agate |
|
| Extra Grade: |
Beautiful banding and contrast, < 10% matrix |
| A Grade: |
Nice banding and contrast, 10% - 25% matrix |
| B Grade: |
Poor banding and contrast, and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Banded Amethyst |
|
| Extra Grade: |
Beautiful purple color with snow white banding, partially translucent, no matrix |
| A Grade: |
Nice purple color with snow white banding, opaque, 10% - 25% matrix |
| B Grade: |
Poor purple color with white banding, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Bastnaesite (Bastnasite) |
|
| Extra Grade: |
Beautiful red, orange or yellow color, translucent, <10% matrix |
| A Grade: |
Nice red, orange or yellow color, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor red, orange or yellow color, opaque and/or >25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Bismuth |
|
| Extra Grade: |
Beautiful spectrum of colors, no chips |
| A Grade: |
Nice spectrum of colors, minor chipping |
| B Grade: |
Poor color variation or major chipping |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
|
|
| Black Agate |
|
| Extra Grade: |
Beautiful jet black, <10% Matrix |
| A Grade: |
Nice jet black, 10% - 25% Matrix |
| B Grade: |
Poor black color and/or >25% Matrix |
 | | Extra Grade |
|
 | | A Grade |
|
|
|
| Black Jasper |
|
| Extra Grade: |
Beautiful jet black color, opaque, < 10% matrix |
| A Grade: |
Nice black color, opaque, 10% - 25% matrix |
| B Grade: |
Poor black color, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
|
|
| Black Kyanite |
|
| Extra Grade: |
Beautiful black color, opaque, < 10% matrix & beautiful fan-shaped formation |
| A Grade: |
Nice black color, opaque, 10-25% matrix & nice fan-shaped formation |
| B Grade: |
Poor black color, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Black Obsidian |
|
| Extra Grade: |
Beautiful jet black color, translucent, < 10% matrix |
| A Grade: |
Nice black color, partially-translucent, 10% - 25% matrix |
| B Grade: |
Poor black color, opaque, and/or > 25% matrix |
 | | A Grade |
|
|
|
| Black Onyx |
|
| Extra Grade: |
Jet black, beautiful luster, opaque, <10% matrix |
| A Grade: |
Jet black, nice luster, opaque, 10% - 25% matrix |
| B Grade: |
Black, poor luster, opaque and/or >25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
 | | B Grade |
|
|
|
| Black Tourmaline (Schorl) |
|
| Extra Grade: |
Jet black, good luster, opaque, <10% matrix |
| A Grade: |
Nice black color, some luster, opaque, 10% - 25% matrix |
| B Grade: |
Poor black color, dull, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Bloodstone |
|
| Extra Grade: |
Plentiful blood red spots on dark green, opaque, <10% matrix |
| A Grade: |
Some blood red spots on dark green, opaque, 10% - 25% matrix |
| B Grade: |
Just a few blood red spots on dark green, opaque and/or >25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Blue Aventurine |
|
| Extra Grade: |
Beautiful blue color with sparkly flecks, <10% matrix |
| A Grade: |
Nice blue color with sparkly flecks, 10% - 25% matrix |
| B Grade: |
Poor blue color with sparkly flecks and/or >25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Blue Calcite |
|
| Extra Grade: |
Beautiful blue color, partially translucent, <10% matrix |
| A Grade: |
Nice blue color, opaque, 10% - 25% matrix |
| B Grade: |
Poor blue color, opaque and/or >25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Blue Chalcedony |
|
| Extra Grade: |
Beautiful blue color, partially translucent, < 25% matrix |
| A Grade: |
Nice blue color, opaque, 25% - 50% matrix |
| B Grade: |
Poor blue color, opaque and/or > 50% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Blue Fluorite |
|
| Extra Grade: |
Beautiful blue color, translucent, < 10% matrix |
| A Grade: |
Nice blue color, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor blue color, opaque and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Blue Goldstone |
|
| Extra Grade: |
Beautiful deep blue color with sparkles, opaque |
| A Grade: |
Nice blue color with sparkles, opaque |
| B Grade: |
Poor blue color, opaque |
 | | Extra Grade |
|
 | | A Grade |
|
|
|
| Blue Jade |
|
| Extra Grade: |
Beautiful blue color, partially translucent, < 10% matrix |
| A Grade: |
Nice blue color, opaque, 10% - 25% matrix |
| B Grade: |
Poor blue color, opaque, and/or > 25% matrix |
 | | A Grade |
|
 | | B Grade |
|
|
|
| Blue Kyanite |
|
| Extra Grade: |
Nice blue, translucent, <10% matrix |
| A Grade: |
Blue and white color, opaque, 10-25% Matrix |
| B Grade: |
Poor color, opaque, and/or >25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Blue Lace Agate |
|
| Extra Grade: |
Beautiful light blue color with plentiful white banding, partially translucent, < 10% matrix |
| A Grade: |
Nice light blue color with some white banding, opaque, 10% - 25% |
| B Grade: |
Poor light blue color and/or with poor white banding, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Blue Opal |
|
| Extra Grade: |
Beautiful blue or blue-green color, partially translucent, < 25% matrix |
| A Grade: |
Nice blue color, opaque and/or 25% - 50% matrix |
| B Grade: |
Poor and dull blue color, opaque and/or > 50% matrix |
|
|
|
| Blue Quartz |
|
| Extra Grade: |
Beautiful blue color, partially translucent, < 10% matrix |
| A Grade: |
Nice blue color, opaque, 10% - 25% matrix |
| B Grade: |
Poor blue color, opaque, and/or > 25% matrix |
 | | A Grade |
|
 | | B Grade |
|
|
|
| Blue Sapphire |
|
| Extra Grade: |
Beautiful blue color, partially translucent, < 10% matrix |
| A Grade: |
Nice blue color, opaque, 10% - 25% matrix |
| B Grade: |
Poor blue color, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Blue Tiger Eye |
|
| Extra Grade: |
Beautiful blue to dark blue color, beautiful striped pattern, good flash (chatoyancy), opaque, < 10% matrix |
| A Grade: |
Nice blue to dark blue color, nice striped pattern, some flash (chatoyancy), opaque, 10% - 25% matrix |
| B Grade: |
Poor blue to dark blue color, poor striped pattern, little to no flash (chatoyancy), opaque, and/or > 25% matrix |
|
|
|
| Blue Topaz |
|
| Extra Grade: |
Nice blue, translucent, 10-25% Matrix |
| A Grade: |
Nice blue, 25-50% Matrix |
| B Grade: |
Poor color, 50-75% Matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Blue Tourmaline (Indicolite) |
|
| Extra Grade: |
Beautiful blue color, partially transparent, 10% - 25% matrix |
| A Grade: |
Nice blue color, translucent, 25% - 50% matrix |
| B Grade: |
Poor blue color, opaque, and/or > 50% matrix |
|
|
|
| Botswana Agate |
|
| Extra Grade: |
Beautiful combination of pink, cream and gray with beautiful banding, <10% matrix |
| A Grade: |
Nice combination of pink, cream and gray with nice banding, 10% - 25% matrix |
| B Grade: |
Poor combination of pink, cream and gray and/or poor banding and/or >25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Brandberg Quartz |
|
| Extra Grade: |
Clear, Transparent with minor inclusions, < 10% Matrix/Inclusions |
| A Grade: |
Clear, Translucent, some inclusions okay, 10-25% Matrix |
|
|
|
| Brecciated Jasper |
|
| Extra Grade: |
Beautiful red with beautiful mix of cream, brown, and grey colors, opaque, < 10% matrix |
| A Grade: |
Nice red with nice mix of cream, brown, and grey colors, opaque, 10% - 25% matrix |
| B Grade: |
Poor red with mix of cream, brown, and grey colors, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Bronzite |
|
| Extra Grade: |
Beautiful bronze-brown color, opaque, 10% matrix |
| A Grade: |
Nice bronze-brown, opaque, 10% - 25% matrix |
| B Grade: |
Poor bronze-brown color, opaque and/or >25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Brown Aventurine |
|
| Extra Grade: |
Beautiful brown color, partially translucent, <10% matrix |
| A Grade: |
Nice brown color, opaque, 10% - 25% matrix |
| B Grade: |
Poor brown color and/or >25% matrix |
 | | A Grade |
|
|
|
| Brown Calcite |
|
| Extra Grade: |
Beautiful brown color, partially translucent, <10% matrix |
| A Grade: |
Nice brown color, opaque, 10% - 25% matrix |
| B Grade: |
Poor brown color, opaque and/or >25% matrix |
 | | A Grade |
|
 | | B Grade |
|
|
|
| Bumble Bee Jasper |
|
| Extra Grade: |
Beautiful bands of yellow, orange, black and gray, translucent to opaque, <10% matrix |
| A Grade: |
Nice bands of yellow, orange, black and gray, translucent to opaque, 10% - 25% matrix |
| B Grade: |
Poor bands of yellow, orange, black and gray or poor color, translucent to opaque, >25% matrix (in some cases these will be moved into mixed jasper) |
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
 | | B Grade |
|
|
|
|
|
| Cacoxenite |
|
| Extra Grade: |
Extra+: Deep purple with tan, red, black and silver flecks, transparent and < 10% Matrix
Extra: Nice purple with tan, red, black and silver flecks, translucent, <10% Matrix |
| A Grade: |
Purple with other colors including tan, red, black and silver flecks, partially translucent, 10-25% Matrix |
| B Grade: |
Poor color and/or >50% Matrix
C: Poor color and/or > 75% Matrix |
|
|
|
| Calcite |
|
| Extra Grade: |
See specific calcite type for grading instructions |
|
|
|
| Carnelian |
|
| Extra Grade: |
Beautiful orange color, partially translucent, <10% matrix |
| A Grade: |
Nice orange color, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor orange color, opaque and/or >25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Cavansite |
|
| Extra Grade: |
Beautiful teal-blue color, partially translucent, <10% matrix |
| A Grade: |
Nice teal-blue color, opaque, 10% - 25% matrix |
| B Grade: |
Poor teal-blue color, opaque and/or >25% matrix |
 | | Extra Grade |
|
|
|
| Celestite |
|
| Extra Grade: |
Beautiful blue color, translucent, <10% matrix |
| A Grade: |
Nice blue color, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor blue color, opaque and/or >25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Chalcopyrite |
|
| Extra Grade: |
Beautiful rainbow colors (or beautiful yellow-gold color), opaque, <25% matrix |
| A Grade: |
Nice rainbow color (or nice yellow-gold color), opaque, 25% - 50% matrix |
| B Grade: |
little rainbow color (or poor yellow-gold color), opaque, >50% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Champagne (Smokey) Aura |
|
| Extra Grade: |
Beautiful champagne-yellow color, transparent, <10% matrix |
| A Grade: |
Nice champagne-yellow color, translucent, 10% - 25% matrix |
| B Grade: |
Poor champagne- yellow color, opaque and/or >25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Champagne Tourmaline (Dravite) |
|
| Extra Grade: |
Beautiful golden brown to coffee color, translucent, < 10% matrix |
| A Grade: |
Nice golden brown to coffee color, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor golden brown to coffee color, opaque and/or > 25% matrix |
 | | A Grade |
|
 | | B Grade |
|
|
|
| Charoite |
|
| Extra Grade: |
Beautiful shades of purple < 10% matrix |
| A Grade: |
Nice purple color 10-25% matrix |
| B Grade: |
B: Poor purple color and/or 25-50% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Chevron Amethyst |
|
| Extra Grade: |
Beautiful purple "V" shaped patterns in snow white quartz, partially translucent, no matrix |
| A Grade: |
Nice purple "V" shaped patterns in snow white quartz, opaque, 10% - 25% matrix |
| B Grade: |
Poorly shaped purple "V" patterns in white quartz, opaque and/or >25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Chiastolite |
|
| Extra Grade: |
Beautiful light pinkish brown color with black graphite cross inclusion, transluscent, <10% matrix |
| A Grade: |
Nice pinkish brown color with black graphite cross inclusion, partially transluscent, 10% - 25% matrix |
| B Grade: |
Poor brown color with black graphite inclusion, partially transluscent to opaque, >25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
|
|
| Chrysoberyl |
|
| Extra Grade: |
Beautiful Green/Yellow, transparent, little to no matrix |
| A Grade: |
Nice Green/Yellow, translucent, little to no matrix |
| B Grade: |
Poor Brownish Green/Yellow, translucent, and/or > 25% matrix |
 | | A Grade |
|
 | | B Grade |
|
|
|
| Chrysocolla |
|
| Extra Grade: |
Beautiful combination of blue and green colors, opaque, <10% matrix or filler |
| A Grade: |
Nice combination of blue green colors, opaque, 10% - 25% matrix or filler |
| B Grade: |
Poor combination of blue and green colors, opaque, >25% matrix or filler |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Chrysoprase |
|
| Extra Grade: |
Beautiful green color, translucent, < 10% matrix |
| A Grade: |
Nice green color, partially-translucent, 10% - 25% matrix |
| B Grade: |
Poor green color, opaque and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Cinnabar |
|
| Extra Grade: |
Beautiful scarlet red color, transluscent, <10% matrix |
| A Grade: |
Nice brick red color, partially transluscent, 10% - 25% matrix |
| B Grade: |
Poor red color, partially transluscent to opaque, >25% matrix |
|
|
|
| Citrine |
|
| Extra Grade: |
Light: Beautiful yellow to golden brown color, translucent, < 10% matrix
Dark: Beautiful golden brown to coffee color, translucent, < 10% matrix |
| A Grade: |
Light: Nice yellow to golden brown color, partially translucent, 10% - 25% matrix
Dark: Nice golden brown to coffee color, partially translucent, 10% - 25% matrix |
| B Grade: |
Light: Poor yellow to golden brown color, opaque and/or > 25% matrix
Dark: Poor golden brown to coffee color, opaque and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Clear Quartz |
|
| Extra Grade: |
Clear, Transparent with minor inclusions, < 10% Matrix/Inclusions |
| A Grade: |
Clear, Translucent, Some inclusions okay, 10-25% Matrix |
| B Grade: |
Clear and white, mostly opaque, 25-50% Matrix
|
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
 | | B Grade |
|
|
|
| Clinozoisite |
|
| Extra Grade: |
Beautiful golden brown to coffee color, translucent, < 10% matrix |
| A Grade: |
Nice golden brown to coffee color, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor golden brown to coffee color, opaque and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Copal |
|
| Extra Grade: |
Beautiful amber (yellow-orange) color, transparent, <10% inclusions/matrix |
| A Grade: |
Nice amber (yellow-orange)color, partially transparent, 10% - 25% inclusions/matrix |
| B Grade: |
Poor amber (yellow-orange) color, opaque and/or >25% inclusions/matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Copper |
|
| Extra Grade: |
Beautiful reddish/orange color, opaque, < 10% matrix |
| A Grade: |
Nice reddish/orange color, opaque, 10% - 25% matrix |
| B Grade: |
Poor reddish/orange color, opaque and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
|
|
| Coral Calcite |
|
| Extra Grade: |
Beautiful coral-orange color, partially translucent, <10% matrix |
| A Grade: |
Nice coral-orange color, opaque, 10% - 25% matrix |
| B Grade: |
Poor coral-orange color, opaque and/or >25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
|
|
| Dalmatian Jasper |
|
| Extra Grade: |
Beautiful white to cream color, with black and brown spots, opaque, < 10% matrix |
| A Grade: |
Nice white to cream color, with black and brown spots, opaque, 10% - 25% matrix |
| B Grade: |
Poor white to cream color, with beautiful black and brown spots, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Danburite |
|
| Extra Grade: |
Ice water clear, transparent, no matrix |
| A Grade: |
Very clear, partially transparent, < 10% matrix |
| B Grade: |
Cloudy, translucent, and/or > 10% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
 | | B Grade |
|
|
|
| Dioptase |
|
| Extra Grade: |
Beautiful green color, translucent, < 10% matrix |
| A Grade: |
Nice green color, partially-translucent, 10% - 25% matrix |
| B Grade: |
Poor green color, opaque and/or > 25% matrix |
|
|
|
| Dumortierite |
|
| Extra Grade: |
Beautiful blue color, opaque, < 10% matrix |
| A Grade: |
Nice blue color, opaque, 10% - 25% matrix |
| B Grade: |
Poor blue color, opaque and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
|
|
| Emerald |
|
| A Grade: |
Nice green color, opaque, 10% - 25% matrix |
| B Grade: |
Poor green color, opaque, and/or > 25% matrix |
|
|
|
| Enhydro Crystals |
|
| Extra Grade: |
Clear, Transparent with minor inclusions, < 10% Matrix/Inclusions |
| A Grade: |
Clear, Translucent, Some inclusions okay, 10-25% Matrix |
| B Grade: |
Clear and white, mostly opaque, 25-50% Matrix |
|
|
|
| Epidote |
|
| Extra Grade: |
Beautiful green color, translucent, < 10% matrix |
| A Grade: |
Nice green color, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor green color, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
|
|
| Fancy Jasper |
|
| Extra Grade: |
Beautiful mix of red, green, cream, black and/or brown, opaque, < 10% matrix |
| A Grade: |
Nice mix of red, green, cream, black and/or brown, opaque, 10% - 25% matrix |
| B Grade: |
Poor mix of red, green, cream, black and/or brown, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Feldspar |
|
| Extra Grade: |
Beautiful snow white to a beautiful coral color, opaque, < 10% matrix |
| A Grade: |
Nice white/cream to various colors, opaque, 10% - 25% matrix |
| B Grade: |
Poor white, gray, brown or black color, opaque, and/or > 25% matrix |
|
|
|
| Fluorite |
|
| Extra Grade: |
See Specific Stone Color for Grading |
|
|
|
| Fuchsite |
|
| Extra Grade: |
Beautiful green color with beautiful specks of Mica, opaque, < 10% matrix |
| A Grade: |
Nice green color, with some specks of Mica, opaque, 10% - 25% matrix |
| B Grade: |
Poor green color with little to no specks of Mica, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
|
|
| Galena |
|
| Extra Grade: |
Beautiful silver color, high luster, opaque, < 10% matrix |
| A Grade: |
Nice silver color, some luster, opaque, 10% - 25% matrix |
| B Grade: |
Poor silver color, opaque, and/or > 25% matrix |
|
|
|
| Garnet |
|
| Extra Grade: |
Beautiful light to deep red color, translucent, < 10% matrix |
| A Grade: |
Nice red color, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor red color, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Goethite |
|
| Extra Grade: |
Beautiful brown to black color, opaque, < 10% matrix |
| A Grade: |
Nice brown to black color, opaque, 10% - 25% matrix |
| B Grade: |
Poor brown to black color, opaque, and/or > 25% matrix |
|
|
|
| Gold |
|
| Extra Grade: |
Beautiful yellow color, high luster, opaque, < 10% matrix |
| A Grade: |
Nice yellow color, some luster, opaque, 10% - 25% matrix |
| B Grade: |
Poor yellow color, opaque, and/or > 25% matrix |
|
|
|
| Golden Tiger Eye |
|
| Extra Grade: |
Beautiful yellow-gold-brown color, beautiful striped pattern, good flash (chatoyancy), opaque, < 10% matrix |
| A Grade: |
Nice yellow-gold-brown color, nice striped pattern, some flash (chatoyancy), opaque, 10% - 25% matrix |
| B Grade: |
Poor yellow-gold-brown color, poor striped pattern, little to no flash (chatoyancy), opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Goshenite |
|
| Extra Grade: |
Ice water clear, transparent, minor inclusions, < 10% matrix |
| A Grade: |
Clear, partially translucent, 10% - 25% matrix |
| B Grade: |
Clear to white, opaque and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Green Apophyllite |
|
| Extra Grade: |
Beautiful green color, transparent, no matrix |
| A Grade: |
Very clear partially transparent, <10% matrix |
| B Grade: |
Cloudy, translucent and/or >10% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Green Aventurine |
|
| Extra Grade: |
Beautiful green color, translucent, <10% matrix |
| A Grade: |
Nice green color, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor green color, opaque and/or >25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Green Calcite |
|
| Extra Grade: |
Beautiful green color, partially translucent, <10% matrix |
| A Grade: |
Nice green color, opaque, 10% - 25% matrix |
| B Grade: |
Poor green color, opaque and/or >25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Green Chlorite |
|
| Extra Grade: |
Beautiful green color, high luster, opaque, < 25% matrix |
| A Grade: |
Nice green color, some luster, opaque, 25% - 50% matrix |
| B Grade: |
Poor green color, high luster, opaque, and/or > 50% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Green Diopside |
|
| Extra Grade: |
Beautiful green color, translucent, <10% matrix |
| A Grade: |
Nice green color, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor green color, opaque and/or >25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Green Fluorite |
|
| Extra Grade: |
Beautiful green color, translucent, < 10% matrix |
| A Grade: |
Nice green color, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor green color, opaque and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Green Garnet (Uvarovite) |
|
| Extra Grade: |
Beautiful green color, translucent, < 10% matrix |
| A Grade: |
Nice green color, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor green color, opaque, and/or > 25% matrix |
|
|
|
| Green Goldstone |
|
| Extra Grade: |
Beautiful deep green color with sparkles, opaque |
| A Grade: |
Nice green color with sparkles, opaque |
| B Grade: |
Poor green color, opaque |
 | | Extra Grade |
|
 | | A Grade |
|
|
|
| Green Kyanite |
|
| Extra Grade: |
Beautiful green color, translucent, < 10% matrix |
| A Grade: |
Nice green color, opaque, 10% - 25% matrix |
| B Grade: |
Poor green color, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Green Quartz |
|
| Extra Grade: |
Beautiful green color, partially translucent, < 10% matrix |
| A Grade: |
Nice green color, opaque, 10% - 25% matrix |
| B Grade: |
Poor green color, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Green Tourmaline (Verdelite) |
|
| Extra Grade: |
Beautiful green color, partially transparent, 10% - 25% matrix |
| A Grade: |
Nice green color, translucent, 25% - 50% matrix |
| B Grade: |
Poor green color, opaque, and/or > 50% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
 | | B Grade |
|
|
|
| Grossular Garnet |
|
| Extra Grade: |
Beautiful green color, partially transparent, 10% - 25% matrix |
| A Grade: |
Nice green color, translucent, 25% - 50% matrix |
| B Grade: |
Poor green color, opaque, and/or > 50% matrix |
|
|
|
|
|
| Hackmanite |
|
| Extra Grade: |
Beautiful blue or pink color, translucent, < 10% matrix |
| A Grade: |
Nice blue or pink color, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor color, opaque and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
 | | B Grade |
|
|
|
| Halite |
|
| Extra Grade: |
Ice water clear, transparent, minor inclusions, < 10% matrix |
| A Grade: |
Clear, partially translucent, 10% - 25% matrix |
| B Grade: |
Clear, white or yellow, opaque, and/or > 25% matrix |
 | | A Grade |
|
|
|
| Heliodor |
|
| Extra Grade: |
Beautiful yellow-green, translucent, < 25% Matrix |
| A Grade: |
Nice yellow-green, partially translucent 25-50% Matrix |
| B Grade: |
Poor color, opaque and/or > 50% Matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Hematite |
|
| Extra Grade: |
Beautiful silver color, high luster, opaque, < 10% matrix |
| A Grade: |
Nice silver color, some luster, opaque, 10% - 25% matrix |
| B Grade: |
Poor silver color, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Hematoid Quartz |
|
| Extra Grade: |
Beautiful orange/reddish brown color in ice water clear quartz, translucent, < 10% matrix |
| A Grade: |
Nice orange/reddish brown color in clear quartz, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor orange/reddish brown color in clear quartz, opaque, and/or > 25% matrix |
|
|
|
| Hemimorphite |
|
| Extra Grade: |
Beautiful blue color, translucent, <10% matrix |
| A Grade: |
Nice blue color, transluscent, 10% - 25% matrix |
 | | A Grade |
|
 | | A Grade |
|
|
|
| Herkimer Diamond |
|
| Extra Grade: |
Ice water clear, transparent, minor inclusions, < 10% matrix |
| A Grade: |
Clear, partially translucent, 10% - 25% matrix |
| B Grade: |
Clear to white, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Hessonite Garnet |
|
| Extra Grade: |
Beautiful orange color, translucent, < 10% matrix |
| A Grade: |
Nice orange color, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor orange color, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
| | A Grade |
|
| | A Grade |
|
 | | B Grade |
|
 | | B Grade |
|
|
|
| Hiddenite |
|
| Extra Grade: |
Beautiful green color, translucent/transparent, <25% matrix |
| A Grade: |
Nice green color, translucent, 25% - 50% matrix |
| B Grade: |
Poor yellow/green color, opaque/transparent, and/or > 50% |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Honey Calcite (Amber Calcite) |
|
| Extra Grade: |
Beautiful amber-yellow color, translucent, <10% matrix |
| A Grade: |
Nice amber-yellow color, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor amber-yellow color, opaque and/or >25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Howlite |
|
| Extra Grade: |
Beautiful snow white color with gray markings, opaque, < 10% matrix |
| A Grade: |
Nice white color with gray markings, opaque, 10% - 25% matrix |
| B Grade: |
Poor white color, with/without gray markings, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
|
|
| Inclusion Quartz (Lodolite) |
|
| Extra Grade: |
Beautiful green, yellow and/or red inclusions inside ice water clear quartz, transparent, < 10% matrix |
| A Grade: |
Nice green, yellow and/or red inclusions inside clear quartz, partially transparent, 10% - 25% matrix |
| B Grade: |
Poor green, yellow and/or red inclusions inside clear quartz, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Indigo (Tanzan) Aura |
|
| Extra Grade: |
Beautiful violet-blue color, transparent, <10% matrix |
| A Grade: |
Nice violet-blue color, translucent, 10% - 25% matrix |
| B Grade: |
Poor violet-blue color, opaque and/or >25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Iolite |
|
| Extra Grade: |
Beautiful purple/blue/gray color, partially translucent, < 10% matrix |
| A Grade: |
Nice purple/blue/gray color, opaque, 10% - 25% matrix |
| B Grade: |
Poor purple/gray color, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
| | B Grade |
|
|
|
| Iris Quartz |
|
| Extra Grade: |
Beautiful rainbow colors, translucent, < 10% matrix |
| A Grade: |
Nice rainbow colors, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor rainbow colors, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
|
|
|
|
| Jade |
|
| Extra Grade: |
See Specific Stone Color for Grading |
|
|
|
| Jasper |
|
| Extra Grade: |
See Specific Stone Color for Grading |
|
|
|
| Jet |
|
| Extra Grade: |
Beautiful jet black color, opaque, < 10% matrix |
| A Grade: |
Nice black color, opaque, 10% - 25% matrix |
| B Grade: |
Poor black color, opaque and/or > 25% matrix |
 | | A Grade |
|
|
|
|
|
| Kunzite |
|
| Extra Grade: |
Beautiful purple, pink or lavender color, transparent, good luster, < 10% matrix |
| A Grade: |
Nice purple, pink or lavender color, translucent, 10-25% matrix |
| B Grade: |
Poor purple, pink or lavender color, opaque and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
|
|
| Kyanite |
|
| Extra Grade: |
See Specific Stone Color for Grading |
|
|
|
|
|
| Labradorite |
|
| Extra Grade: |
Green stone with green, blue, yellow, purple and/or orange flash, beautiful flash (chatoyancy), partially translucent, < 10% matrix |
| A Grade: |
Green stone with green, blue, yellow, purple and/or orange flash, nice flash (chatoyancy), opaque, 10% - 25% matrix |
| B Grade: |
Green stone with green, blue, yellow, purple and/or orange flash, poor chatoyancy, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
 | | B Grade |
|
|
|
| Lapis Lazuli |
|
| Extra Grade: |
Beautiful, cobalt blue; gold flecks, some white flecks and streaks; no matrix |
| A Grade: |
Nice blue, gold and white flecks and streaks, little to some matrix |
| B Grade: |
Poor Blue, much white streaks and spot, and/or >25% Matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Larimar |
|
| Extra Grade: |
Beautiful blue color, partially translucent, < 10% matrix |
| A Grade: |
Nice blue color, opaque, 10% - 25% matrix |
| B Grade: |
Poor blue color, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Laser Quartz |
|
| Extra Grade: |
Beautiful ice water clear quartz, translucent, < 10% matrix |
| A Grade: |
Nice clear quartz, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor clear quartz, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
|
|
| Lemurian Seed Crystal |
|
| Extra Grade: |
Clear, Transparent with minor inclusions, < 10% Matrix/Inclusions |
| A Grade: |
Clear, Translucent, Some inclusions okay, 10-25% Matrix |
| B Grade: |
Clear and white, mostly opaque, 25-50% Matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Leopardskin Jasper |
|
| Extra Grade: |
Beautiful mix of colors with cream, brown, pink and black spots, opaque, < 10% matrix |
| A Grade: |
Nice mix of colors with cream, brown, pink and black spots, opaque, 10% - 25% matrix |
| B Grade: |
Poor mix of colors with cream, brown, pink and black spots, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Lepidolite |
|
| Extra Grade: |
Beautiful purple color, translucent to transparent, <10% Matrix |
| A Grade: |
Nice purple color, opaque to transparent, 10-25% Matrix |
| B Grade: |
Poor color, opaque to transparent and/or >25% Matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
 | | B Grade |
|
|
|
| Lithium Quartz |
|
| Extra Grade: |
Beautiful pink/mauve/purple color in ice water clear quartz, translucent, < 10% matrix |
| A Grade: |
Nice pink/mauve/purple color in clear quartz, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor pink/mauve/purple color in clear quartz, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
 | | B Grade |
|
|
|
|
|
| Magnesite |
|
| A Grade: |
White with veins of brown/tan/cream (looks like dried chewing gum) |
|
|
|
| Mahogany Obsidian |
|
| Extra Grade: |
Beautiful combination of red and black, opaque, < 10% matrix |
| A Grade: |
Nice combination of red and black, opaque, 10% - 25% matrix |
| B Grade: |
Poor combination of red and black, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Malachite |
|
| Extra Grade: |
Beautiful green color, beautiful banding, opaque, < 10% Matrix |
| A Grade: |
Nice green color, nice banding, opaque, 10% - 25% matrix |
| B Grade: |
Poor green color, nice banding, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
 | | B Grade |
|
 | | B Grade |
|
|
|
| Marble |
|
| Extra Grade: |
See Specific Stone Color for Grading |
|
|
|
| Mexican Fire Opal |
|
| Extra Grade: |
Beautiful yellow, orange or orange-red color with plentiful opalescent flash, transluscent, <10% matrix |
| B Grade: |
Poor yellow, orange or orange-red color with little opalescent flash, opaque >25% matrix |
|
|
|
| Moldavite |
|
| Extra Grade: |
Beautiful green color, translucent, 0% matrix |
| A Grade: |
Nice green color, partially translucent, 0% matrix |
| B Grade: |
Poor green color, partially translucent to opaque, <10% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
|
|
| Mookaite Jasper |
|
| Extra Grade: |
Beautiful mix of yellow, burgundy, purple and cream, opaque, < 10% matrix |
| A Grade: |
Nice mix of yellow, burgundy, cream and/or purple, opaque, 10% - 25% matrix |
| B Grade: |
Poor Mix of yellow burgundy, cream and/or purple, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Moonstone |
|
| Extra Grade: |
Beautiful combination of cream to orange color, opaque, < 10% matrix |
| A Grade: |
Nice combination of cream to orange color, opaque, 10% - 25% matrix |
| B Grade: |
Poor combination of cream to orange color, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Morganite |
|
| Extra Grade: |
Beautiful pink color, translucent, < 10% matrix |
| A Grade: |
Nice pink to peach color, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor pink to peach color, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Moss Agate |
|
| Extra Grade: |
Beautiful combination of green inclusions in extra glear quartz, partially translucent, <10% matrix |
| A Grade: |
Nice combination of green inclusions in extra clear quartz, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor combination of green inclusions in extra clear quartz, opaque and/or >25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
|
|
| Narmada River Lingam |
|
| Extra Grade: |
Beautiful combination of colors, opaque, < 10% matrix |
| A Grade: |
Nice combination of colors, opaque, 10% - 25% matrix |
| B Grade: |
Poor combination of colors, opaque, and/or > 25% matrix |
 | | A Grade |
|
 | | A Grade |
|
|
|
| Nephrite Jade |
|
| Extra Grade: |
Beautiful green color, translucent, <10% matrix |
| A Grade: |
Nice green color, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor green color, opaque and/or >25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
|
|
| Obsidian |
|
| Extra Grade: |
See Specific Stone Color for Grading |
|
|
|
| Opal |
|
| Extra Grade: |
See Specific Opal type for Grading |
|
|
|
| Optical Calcite |
|
| Extra Grade: |
Ice water clear, translucent, <10% matrix |
| A Grade: |
Very clear, partially translucent, 10% - 25% matrix |
| B Grade: |
Cloudy, opaque and/or >25% matrix |
 | | A Grade |
|
|
|
| Orange Aventurine |
|
| Extra Grade: |
Beautiful orange color, translucent, <10% matrix |
| A Grade: |
Nice orange color, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor orange color, opaque and/or >25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Orange Calcite |
|
| Extra Grade: |
Beautiful orange color, translucent, <10% matrix |
| A Grade: |
Nice orange color, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor orange color, opaque and/or >25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
 | | B Grade |
|
|
|
| Orange Kyanite |
|
| Extra Grade: |
Beautiful orange color, translucent, < 10% matrix |
| A Grade: |
Nice orange color, opaque, 10% - 25% matrix |
| B Grade: |
Poor orange color, opaque, and/or > 25% matrix |
 | | A Grade |
|
 | | B Grade |
|
|
|
| Orthoclase |
|
| Extra Grade: |
Beautiful yellow to orange color, translucent, < 10% matrix |
| A Grade: |
Nice yellow to orange color, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor yellow to orange color, opaque, < 25% matrix |
|
|
|
|
|
| Pargasite |
|
| Extra Grade: |
Beautiful green color, translucent, < 10% matrix |
| A Grade: |
Nice green color, opaque, 10-25% matrix |
| B Grade: |
Poor green color, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Peach Agate |
|
| Extra Grade: |
Beautiful peach color with beautiful white banding, translucent, < 10% matrix |
| A Grade: |
Nice peach color with nice white banding, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor peach color and/or poor white banding, opaque and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Peach Quartz |
|
| Extra Grade: |
Beautiful peach color, translucent, < 10% matrix |
| A Grade: |
Nice peach color, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor peach color, opaque and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Peridot |
|
| Extra Grade: |
Beautiful green color, translucent, < 10% matrix |
| A Grade: |
Nice green color, partially translucent, 10-25% matrix |
| B Grade: |
Poor green color, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Petalite |
|
| Extra Grade: |
Ice water clear, transparent, < 10% matrix |
| A Grade: |
Nice clear and white color, translucent, 10% - 25% matrix |
| B Grade: |
Milky white, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Phenacite |
|
| Extra Grade: |
Ice water clear, transparent, < 10% matrix |
| A Grade: |
Nice clear and white color, translucent, 10% - 25% matrix |
| B Grade: |
Milky white, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Picture Jasper |
|
| Extra Grade: |
Beautiful mix of red, green, cream , black and/or brown, with layering, opaque, < 10% matrix |
| A Grade: |
Nice mix of red, green, cream , black and/or brown, with layering, opaque, 10% - 25% matrix |
| B Grade: |
Poor mix of red, green, cream , black and/or brown, with layering, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Pietersite |
|
| Extra Grade: |
Beautiful combination of blue, yellow and red colors, opaque, < 10% matrix |
| A Grade: |
Nice combination of blue, yellow and/or red colors, opaque, 10% - 25% matrix |
| B Grade: |
Poor combination of blue, yellow and/or red colors, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
 | | B Grade |
|
|
|
| Pink Aventurine |
|
| Extra Grade: |
Beautiful pink color, translucent, <10% matrix |
| A Grade: |
Nice pink color, partially translucent, 10% -25% matrix |
| B Grade: |
Poor pink color, opaque and/or <25% matrix |
 | | A Grade |
|
|
|
| Pink Calcite (Mangano Calcite) |
|
| Extra Grade: |
Beautiful pink color, partially translucent, <25% matrix |
| A Grade: |
Nice pink color, opaque and/or 25% - 50% matrix |
| B Grade: |
Poor pink color, opaque and/or <50% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
 | | B Grade |
|
|
|
| Pink Hackmanite |
|
| Extra Grade: |
Beautiful pink color, translucent, < 10% matrix |
| A Grade: |
Nice pink color, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor color, opaque and/or > 25% matrix |
| | Extra Grade |
|
| | A Grade |
|
| | B Grade |
|
|
|
| Pink Lemurian |
|
| Extra Grade: |
Beautiful pink color in ice water clear quartz, translucent, < 10% matrix |
| A Grade: |
Nice pink color in clear quartz, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor pink color in clear quartz, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
|
|
| Pink Opal |
|
| Extra Grade: |
Beautiful pink color, partially translucent, < 25% matrix |
| A Grade: |
Nice pink color, opaque and/or 25% - 50% matrix |
| B Grade: |
Poor pink color, opaque and/or > 50% matrix |
|
|
|
| Pink Sapphire |
|
| Extra Grade: |
Beautiful pink color, partially translucent, < 10% matrix |
| A Grade: |
Nice pink color, opaque, 10% - 25% matrix |
| B Grade: |
Poor pink color, opaque, and/or > 25% matrix |
 | | A Grade |
|
 | | B Grade |
|
|
|
| Pink Tourmaline (Rubellite) |
|
| Extra Grade: |
Beautiful and bright pink color, partially transparent, 10% - 25% matrix |
| A Grade: |
Nice pink to red tinted color, translucent, 25% - 50% matrix |
| B Grade: |
Poor pale pink color, opaque, and/or > 50% matrix |
|
|
|
| Prasiolite |
|
| Extra Grade: |
Beautiful light to dark green color, translucent, < 10% matrix |
| A Grade: |
Nice light to dark green color, partially translucent, 10-25% matrix |
| B Grade: |
Poor light to dark green color, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Prehnite |
|
| Extra Grade: |
Beautiful green color, translucent, < 10% matrix |
| A Grade: |
Nice green color, partially translucent, 10-25% matrix |
| B Grade: |
Poor green color, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Purple Fluorite |
|
| Extra Grade: |
Beautiful purple color, translucent, < 10% matrix |
| A Grade: |
Nice purple color, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor purple color, opaque and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Pyrite |
|
| Extra Grade: |
Beautiful gold color with plentiful Pyrite formations, opaque, < 10% matrix |
| A Grade: |
Nice gold color with Pyrite formations, opaque, < 10% matrix |
| B Grade: |
Poor gold color with little to no Pyrite formations, opaque, < 10% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
 | | B Grade |
|
|
|
|
|
|
|
| Rainbow (Angel) Aura |
|
| Extra Grade: |
Beautiful rainbow color, transparent, <10% matrix |
| A Grade: |
Nice rainbow color, translucent, 10% - 25% matrix |
| B Grade: |
Poor rainbow color, opaque and/or >25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Rainbow Fluorite |
|
| Extra Grade: |
Obvious striped pattern with beautiful purple, green, blue, yellow and/or clear colors, translucent, < 10% matrix |
| A Grade: |
Easily identifiable striped pattern of nice purple, green blue, yellow and/or clear colors, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor purple, green, blue, yellow and/or clear color, hard to see striped pattern, opaque and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Rainbow Moonstone |
|
| Extra Grade: |
Beautiful white color, beautiful flash (chatoyancy), partially translucent, < 10% matrix |
| A Grade: |
Nice white color, nice flash (chatoyancy), opaque, 10% - 25% matrix |
| B Grade: |
Poor white color, poor flash (chatoyancy), opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Rainbow Obsidian |
|
| Extra Grade: |
Beautiful combination of rainbow colors with beautiful flash (chatoyancy), opaque, < 10% matrix |
| A Grade: |
Nice combination of rainbow colors with nice flash (chatoyancy), opaque, 10% - 25% matrix |
| B Grade: |
Poor combination of rainbow colors with poor flash (chatoyancy), opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | B Grade |
|
 | | B Grade |
|
|
|
| Red Aventurine |
|
| Extra Grade: |
Beautiful red color, translucent, < 10% matrix |
| A Grade: |
Nice red color, partially translucent, 10-25% matrix |
| B Grade: |
Poor red color, opaque and/or > 25% matrix |
|
|
|
| Red Jasper |
|
| Extra Grade: |
Beautiful bright red color, opaque, < 10% matrix |
| A Grade: |
Nice red color, opaque, 10% - 25% matrix |
| B Grade: |
Poor red color, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Red Selenite |
|
| Extra Grade: |
Beautiful red color, translucent, < 10% matrix |
| A Grade: |
Nice red color, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor red color, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Red Tiger Eye |
|
| Extra Grade: |
Beautiful red to dark red color, beautiful striped pattern, good flash (chatoyancy), opaque, < 10% matrix |
| A Grade: |
Nice red to dark red color, nice striped pattern, some flash (chatoyancy), opaque, 10% - 25% matrix |
| B Grade: |
Poor red to dark red color, poor striped pattern, little to no flash (chatoyancy), opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
|
|
| Red Tourmaline (Rubellite) |
|
| Extra Grade: |
Beautifully bright red color, partially transparent, 10% - 25% matrix |
| A Grade: |
Nice red color, translucent, 25% - 50% matrix |
| B Grade: |
Dull color, opaque, and/or > 50% matrix |
|
|
|
| Rhodochrosite |
|
| Extra Grade: |
Beautiful pink color with minimal white banding, translucent, < 10% matrix |
| A Grade: |
Nice pink color with some white banding, partially translucent, < 10% - 25% matrix |
| B Grade: |
Poor pink color with lots of white banding, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
 | | B Grade |
|
|
|
| Rhodonite |
|
| A Grade: |
Nice pink color with black spotting, opaque, 10% - 25% matrix |
| B Grade: |
Poor pink color with black spotting, opaque, and/or > 25% matrix |
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
 | | B Grade |
|
|
|
| Rhyolite |
|
| Extra Grade: |
Beautiful green color with cream, yellow and red concentric banding, opaque, < 10% matrix |
| A Grade: |
Nice green color with cream, yellow and red concentric banding, opaque, 10% - 25% matrix |
| B Grade: |
Poor green color with cream, yellow and red concentric banding, opaque and/or > 25% matrix |
|
|
|
| Rose Quartz |
|
| Extra Grade: |
Beautiful deep pink (or purple) color, translucent, < 10% matrix |
| A Grade: |
Nice pink color, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor pink color, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Ruby |
|
| Extra Grade: |
Beautiful red color, partially translucent, < 10% matrix |
| A Grade: |
Nice red color, opaque, 10% - 25% matrix |
| B Grade: |
Poor red color, opaque, > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Ruby Feldspar |
|
| Extra Grade: |
Beautiful red color in gray/cream/green matrix |
| A Grade: |
Nice red color in gray/cream/green matrix |
| B Grade: |
Poor red color and/or Minimal red color in gray/cream/green matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Ruby in Fuchsite |
|
| Extra Grade: |
Beautiful combination of green and white with plentiful red spots, opaque, < 10% matrix |
| A Grade: |
Nice combination of green and white with some red spots, opaque, 10% - 25% matrix |
| B Grade: |
Poor combination of green and white with few red spots, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Ruby in Kyanite |
|
| Extra Grade: |
Beautiful blue color with plentiful red spots, opaque, < 10% matrix |
| A Grade: |
Nice blue color with some red spots, opaque, 10% - 25% matrix |
| B Grade: |
Poor blue color with few red spots, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
|
|
| Ruby in Zoisite (Anyolite) |
|
| Extra Grade: |
Beautiful green color with plentiful red spots, opaque, < 10% matrix |
| A Grade: |
Nice green color with some red spots, opaque, 10% - 25% matrix |
| B Grade: |
Poor green color with few red spots, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Rutilated Quartz |
|
| Extra Grade: |
Beautiful plentiful golden colored needles in ice water clear quartz, transparent, < 10% matrix |
| A Grade: |
Nice gold or silver colored needles in clear quartz, partially transparent, 10% - 25% matrix |
| B Grade: |
Poor gold, silver or black colored needles in clear quartz, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Rutile |
|
| Extra Grade: |
Beautiful gold color, elongated needles, high luster |
| A Grade: |
Nice gold color, elongated needles, some luster |
| B Grade: |
Poor gold color, broken needles, low luster |
 | | Extra Grade |
|
 | | Extra Grade |
|
|
|
|
|
| Sapphire |
|
| Extra Grade: |
Beautiful blue color, partially translucent, < 10% matrix |
| A Grade: |
Nice blue color, opaque, 10% - 25% matrix |
| B Grade: |
Poor red color, opaque, > 25% matrix |
|
|
|
| Scapolite |
|
| Extra Grade: |
Beautiful yellow or purple color, transparent, < 10% matrix |
| A Grade: |
Nice yellow or purple color, translucent, 10% - 25% matrix |
| B Grade: |
Poor yellow or purple color, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Scepter Quartz |
|
| Extra Grade: |
Extra+: Bright and Clear, Transparent with almost no inclusions, no Matrix Extra: Clear, Transparent with minor inclusions, < 10% Matrix/Inclusions |
| A Grade: |
Clear, Translucent, Some inclusions okay, 10-25% Matrix |
| B Grade: |
B: Clear and white, mostly opaque, 25-50% Matrix C: Clear and white, mostly opaque, > 50% Matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
|
|
| Scheelite |
|
| Extra Grade: |
Beautiful orange color, translucent, < 10% matrix |
| A Grade: |
Nice orange color, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor orange color, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Scolecite |
|
| Extra Grade: |
Beautiful snow white color, translucent, < 10% matrix |
| A Grade: |
Nice white color, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor white color, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
|
|
| Selenite |
|
| Extra Grade: |
Beautiful snow white color, translucent, < 10% matrix |
| A Grade: |
Nice white color, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor white color, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
|
|
| Septarian |
|
| Extra Grade: |
Beautiful combination of cream, yellow and brown colors, opaque, < 10% matrix |
| A Grade: |
Nice combination of cream, yellow and brown colors, opaque, 10% - 25% matrix |
| B Grade: |
Poor combination of cream, yellow and brown colors, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Seraphinite |
|
| Extra Grade: |
Beautiful green color, good flash (chatoyancy), opaque, < 10% matrix |
| A Grade: |
Nice green color, some flash (chatoyancy), opaque, 10% - 25% matrix |
| B Grade: |
Poor green color, little to no flash (chatoyancy), opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Serpentine |
|
| Extra Grade: |
Beautiful pistachio green color, opaque, < 25% matrix |
| A Grade: |
Nice lime/olive green color, opaque, 25% - 50% matrix |
| B Grade: |
Poor olive green color, opaque, and/or > 50% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Shattuckite |
|
| Extra Grade: |
Beautiful blue color, translucent, < 25% matrix |
| A Grade: |
Nice blue color, partially translucent, 25% - 50% matrix |
| B Grade: |
Poor blue color, opaque, and/or > 50% matrix |
|
|
|
| Shungite |
|
| Extra Grade: |
Beautiful black/silver color, opaque, < 10% matrix |
| A Grade: |
Nice black/silver color, opaque, 10% - 25% matrix |
| B Grade: |
Poor black/silver color, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
|
|
| Silver |
|
| Extra Grade: |
Beautiful silver color, opaque, < 25% matrix |
| A Grade: |
Nice silver color, opaque, 25% - 50% matrix |
| B Grade: |
Poor silver color, opaque, and/or > 50% matrix |
|
|
|
| Smokey Quartz |
|
| Extra Grade: |
Dark: Beautiful dark smokey color, transparent, <10% matrix
Light: Beautiful dark smokey color, transparent to transluscent, <10% matrix |
| A Grade: |
Dark: Nice smokey color, partially translucent, 10% - 25% matrix
Light: Nice light smokey color, partially translucent, 10% - 25% matrix |
| B Grade: |
Dark: Lighter smokey color, opaque and/or > 25% matrix
Light: Poor light smokey color, opaque and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Snow Quartz |
|
| Extra Grade: |
Beautiful snow white color, transluscent, <10% matrix |
| A Grade: |
Nice snow white color, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor snow white color and/or >25% matrix |
 | | A Grade |
|
 | | A Grade |
|
|
|
| Snowflake Obsidian |
|
| Extra Grade: |
Beautiful jet black color with beautiful white/gray snowflake patterns, opaque, < 10% matrix |
| A Grade: |
Nice black color with nice white/gray snowflake patterns, opaque, 10% - 25% matrix |
| B Grade: |
Poor black color with poor white/gray snowflake patterns, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
 | | B Grade |
|
|
|
| Sodalite |
|
| Extra Grade: |
Beautiful blue color with snow white stripes, opaque, < 10% matrix |
| A Grade: |
Nice blue color with white stripes, opaque, 25% - 50% matrix |
| B Grade: |
Poor blue color with white stripes, opaque, and/or > 50% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
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 | | A Grade |
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 | | A Grade |
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 | | B Grade |
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 | | B Grade |
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|
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| Sphene (Titanite) |
|
| Extra Grade: |
Beautiful green color, translucent, < 10% matrix |
| A Grade: |
Nice green color, partially translucent, 25% - 50% matrix |
| B Grade: |
Poor green color, opaque, and/or > 50% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | Extra Grade |
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 | | A Grade |
|
 | | A Grade |
|
|
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| Spinel |
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| Extra Grade: |
Beautiful black (or other) color, translucent, < 10% matrix |
| A Grade: |
Nice black color (or other color), partially translucent, 25% - 50% matrix |
| B Grade: |
Poor black color (or other color), opaque, and/or > 50% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | A Grade |
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 | | A Grade |
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 | | B Grade |
|
|
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| Spodumene |
|
| Extra Grade: |
Ice water clear, transparent, < 10% matrix |
| A Grade: |
Mostly clear, translucent, 10% - 25% matrix |
| B Grade: |
Clear to white, opaque and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
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| | B Grade |
|
 | | B Grade |
|
|
|
| Spotted Agate |
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| Extra Grade: |
Beautiful combination of spots on a contrasting background, < 10% matrix |
| A Grade: |
Nice combination of spots on a contrasting background, 10% - 25% matrix |
| B Grade: |
Poor combination of spots on a contrasting background, >25% matrix |
 | | Extra Grade |
|
 | | A Grade |
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 | | B Grade |
|
|
|
| Star Sapphire |
|
| Extra Grade: |
Blue-black color, high luster, clearly visible star pattern, good flash (chatoyancy), opaque, < 10% matrix |
| A Grade: |
Blue-black color, okay luster, partially visible star pattern, nice flash (chatoyancy), opaque, 10% - 25% matrix |
| B Grade: |
Blue-black color, okay luster, partially visible star pattern, poor flash (chatoyancy), opaque and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | A Grade |
|
|
|
| Stibnite |
|
| Extra Grade: |
Beautiful silver color, reflective luster, elongated needle/blades, opaque, < 10% matrix |
| A Grade: |
Nice silver/black color, some luster, blade or needle formation, opaque, 10% - 25% matrix |
| B Grade: |
Poor silver/black color, low luster, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Stilbite |
|
| Extra Grade: |
Beautiful orange-peach color, partially translucent, < 10% matrix |
| A Grade: |
Nice orange-peach color, opaque, 10% - 25% matrix |
| B Grade: |
Poor orange-peach color, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Strawberry Quartz |
|
| Extra Grade: |
Beautiful red color, translucent, < 10% matrix |
| A Grade: |
Nice red color, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor red color, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Striped Brown Jasper |
|
| Extra Grade: |
Beautiful brown with beautiful mix of cream, black, and grey colors, opaque, < 10% matrix |
| A Grade: |
Nice brown with nice mix of cream, black, and grey colors, opaque, 10% - 25% matrix |
| B Grade: |
Poor brown with mix of cream, black, and grey colors, opaque, and/or > 25% matrix |
|
|
|
| Sugilite |
|
| Extra Grade: |
Beautiful purple color, partially translucent, < 25% matrix |
| A Grade: |
Nice purple color, opaque , 25% - 50% matrix |
| B Grade: |
Poor purple color, opaque, and/or > 50% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | B Grade |
|
|
|
| Sunstone |
|
| Extra Grade: |
Beautiful orange color, good flash (chatoyancy), partially translucent, < 10% matrix |
| A Grade: |
Nice orange color, some flash (chatoyancy), opaque, 10% - 25% matrix |
| B Grade: |
Poor orange color, little to no flash (chatoyancy), opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
|
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| Tangerine (Melon) Aura |
|
| Extra Grade: |
Beautiful orange color, transparent, <10% matrix |
| A Grade: |
Nice orange color, translucent, 10% - 25% matrix |
| B Grade: |
Poor orange color, opaque and/or >25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Tangerine Quartz |
|
| Extra Grade: |
Beautiful orange color, transparent, < 10% matrix |
| A Grade: |
Nice orange color, translucent, 10% - 25% matrix |
| B Grade: |
Poor orange color, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | A Grade |
|
|
|
| Tanzanite |
|
| Extra Grade: |
Beautiful purple color, translucent, < 25% matrix |
| A Grade: |
Nice purple color, partially translucent, 25% - 50% matrix |
| B Grade: |
Poor purple color, opaque, and/or > 50% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Thunder Bay Amethyst |
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| Extra Grade: |
Beautiful purple, white and red-capped point, partially translucent, <10% matrix |
| A Grade: |
Nice purple, white and red-capped point, partially translucent, 10-25% matrix |
| B Grade: |
Poor purple, white and red-capped point, opaque, >50% matrix |
|
|
|
| Tiger Iron |
|
| Extra Grade: |
Beautiful yellow-gold-brown & silver color, beautiful striped pattern, good flash (chatoyancy), opaque, < 10% matrix |
| A Grade: |
Nice yellow-gold-brown color & silver color, nice striped pattern, some flash (chatoyancy), opaque, 10% - 25% matrix |
| B Grade: |
Poor yellow-gold-brown & silver color, poor striped pattern, little to no flash (chatoyancy), opaque, and/or > 25% matrix |
 | | Extra Grade |
|
|
|
| Topaz |
|
| Extra Grade: |
Ice water clear, transparent, <10% Matrix |
| A Grade: |
Clear to white/cream color, partially translucent and/or <25% Martix |
| B Grade: |
Clear to white/cream, opaque and/or >25% Matrix |
 | | A Grade |
|
 | | B Grade |
|
|
|
| Tourmalated Quartz |
|
| Extra Grade: |
Ice water clear quartz with plentiful inclusions of thin black needles in ice water clear quartz, transparent, < 10% matrix |
| A Grade: |
Clear quartz with inclusions of thin black needles in clear quartz, partially transparent, 10% - 25% matrix |
| B Grade: |
Quartz with inclusions of black needles in clear quartz, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Tourmaline |
|
| Extra Grade: |
See Specific Stone Color for Grading |
|
|
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| Tree Agate |
|
| Extra Grade: |
Beautiful combination of green inclusions in snow white quartz, opaque, <10% matrix |
| A Grade: |
Nice combination of green inclusions in snow white quartz, opaque, 10% - 25% matrix |
| B Grade: |
Poor combination of green inclusions in snow white quartz, opaque and/or >25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Tsavorite |
|
| Extra Grade: |
Beautiful green color, partially transparent, 10% - 25% matrix |
| A Grade: |
Nice green color, translucent, 25% - 50% matrix |
| B Grade: |
Poor green color, opaque, and/or > 50% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
|
|
| Turquoise |
|
| Extra Grade: |
Beautiful sky blue color, partially translucent, < 10% matrix |
| A Grade: |
Nice sky blue color, opaque, 10% - 25% matrix |
| B Grade: |
Poor blue color, opaque, and/or > 25% matrix |
 | | A Grade |
|
 | | A Grade |
|
|
|
|
|
| Unakite |
|
| Extra Grade: |
Beautiful combination of coral/terra cotta and green color, opaque, < 10% matrix |
| A Grade: |
Nice combination of coral/terra cotta and green color, opaque, 10% - 25% matrix |
| B Grade: |
Poor combination of coral/terra cotta and green color, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
|
|
| Vesuvianite |
|
| Extra Grade: |
Beautiful olive green color, partially translucent, < 10% matrix |
| A Grade: |
Nice olive green color, opaque, 10% - 25% matrix |
| B Grade: |
Poor green color, opaque, and/or > 25% matrix |
 | | A Grade |
|
 | | A Grade |
|
|
|
| Violet (Purple) Sapphire |
|
| Extra Grade: |
Beautiful purple color, partially translucent, < 10% matrix |
| A Grade: |
Nice purple color, opaque, 10% - 25% matrix |
| B Grade: |
Poor purple color, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Vivianite |
|
| Extra Grade: |
Beautiful deep blue to bluish green color, opaque, <10% matrix |
| A Grade: |
Nice bluish green color, opaque, 10% - 25% matrix |
| B Grade: |
Poor bluish green color, opaque, >25% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
|
|
|
|
| Watermelon Tourmaline |
|
| Extra Grade: |
Beautiful combination of pink & green color, partially transparent, 10% - 25% matrix |
| A Grade: |
Nice combination of pink & green color, translucent, 25% - 50% matrix |
| B Grade: |
Poor combination of pink & green color, opaque, and/or > 50% matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
 | | B Grade |
|
|
|
| White Agate |
|
| Extra Grade: |
Beautiful snow white color, partially translucent, <10% matrix |
| A Grade: |
Nice snow white color, opaque, 10% - 25% matrix |
| B Grade: |
Poor white color, partially translucent and/or >25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| White Aventurine |
|
| Extra Grade: |
Beautiful snow white color, translucent, <10% matrix |
| A Grade: |
Nice snow white color, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor snow white color and/or >25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
|
|
|
|
| Yellow Aventurine |
|
| Extra Grade: |
Beautiful yellow color, translucent, <10% Matrix |
| A Grade: |
Nice yellow color, partially translucent and/or <25% Matrix |
| B Grade: |
Poor yellow color, opaque and/or >25% Matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Yellow Calcite |
|
| Extra Grade: |
Beautiful yellow color, translucent, < 10% matrix |
| A Grade: |
Nice yellow color, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor yellow color, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Yellow Fluorite |
|
| Extra Grade: |
Beautiful yellow color, translucent, < 10% matrix |
| A Grade: |
Nice yellow color, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor yellow color, opaque and/or > 25% matrix |
 | | A Grade |
|
 | | B Grade |
|
|
|
| Yellow Jasper |
|
| Extra Grade: |
Beautiful mustard yellow color, opaque, < 10% Matrix |
| A Grade: |
Nice mustard yellow color, opaque and/or <25% Matrix |
| B Grade: |
Poor color, opaque and/or >25% Matrix |
 | | Extra Grade |
|
 | | Extra Grade |
|
 | | A Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
|
|
| Zebra Jasper |
|
| Extra Grade: |
Beautiful black (or brown) and white with striped pattern, opaque, < 10% matrix |
| A Grade: |
Nice black (or brown) and white with striped pattern, opaque, 10% - 25% matrix |
| B Grade: |
Poor black (or brown) and white with striped pattern, opaque and/or > 25% matrix |
 | | Extra Grade |
|
 | | A Grade |
|
 | | B Grade |
|
|
|
| Zebra Marble |
|
| Extra Grade: |
Brown and white stripes, about 50% of each |
| A Grade: |
Brown and white stripes, less than 50% of each |
| B Grade: |
Brown and white stripes, less than 20% of each |
|
|
|
| Zincite |
|
| Extra Grade: |
Beautiful orange, yellow, red color, elongated crystals, translucent, < 10% matrix |
| A Grade: |
Nice orange, yellow, red color, partially translucent, 10% - 25% matrix |
| B Grade: |
Poor orange, yellow, red color, elongated crystals, opaque, and/or > 25% matrix |
 | | Extra Grade |
|
|
|
| Zircon |
|
| Extra Grade: |
Beautiful red-brown color, good luster, < 10% matrix |
| A Grade: |
Nice red-brown color, 10-25% matrix |
| B Grade: |
Poor red-brown color, > 25% matrix |
|
|
|
| Zoisite |
|
| Extra Grade: |
Beautiful green color, opaque, < 10% matrix |
| A Grade: |
Nice green color, opaque, 10% - 25% matrix |
| B Grade: |
Poor green color, opaque, and/or > 25% matrix |
 | | A Grade |
|
|
|
