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Tumbled Stones and Gemstones - By Chemical Composition

(CaNa)(SiAl)4O8, Sodium Calcium Aluminosilicate (2 Items)
(Mg,Fe)2SiO4, Magnesium Iron Silicate (3 Items)
(Mg,Fe)3Si2O5(OH)4, Hydrous Magnesium Iron Silicate (2 Items)
(Mg,Fe2+)2[SiO3]2, Magnesium Silicate (1 Item)
(Mn,Fe,Mg,Ca)SiO3, Manganese Silicate (1 Item)
(Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, Sodium Calcium Aluminosilicate (1 Item)
(NaCa2Al5Si13O36 14H2O), Hydrated Sodium Calcium Aluminum Silicate (1 Item)
(SiO2) with NaFe3(Al,Fe)6Si6O18(BO3)3(OH)4, Silicone Dioxide with Sodium Iron Aluminum Boro Silicate (1 Item)
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A3B2(SiO4)3 (3 Items)
Al2(SiO4)(F,OH)2, Aluminum Fluoro Hydroxyl Silicate (1 Item)
Al2O3+Al2SiO5, Aluminum Oxide and Aluminum Silicate (1 Item)
Al2O3, Aluminum Oxide (3 Items)
Al2O3, Aluminum Oxide with Inclusions (1 Item)
Al2SiO4(F,OH)2, Aluminum Silicate Fluoride Hydroxide (3 Items)
Al2SiO5, Aluminosilicate (2 Items)
Al2SiO5, Aluminum Silicate (1 Item)
Al7BO3(SiO4)3O3, Aluminium Boro Silicate (1 Item)
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Be3Al2(Si6O18), Beryllium Aluminum Silicate (3 Items)
Be3Al2Si6O18, Beryllium Aluminum Silicate (2 Items)
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C10H16O, Fossilized Tree Resin (1 Item)
C10H16O, Tree Resin particularly from Protium copal (2 Items)
Ca2(Mg,Fe)5Si8O22(OH)2, Calcium Magnesium Iron Silicate (1 Item)
Ca2Al2Si3O10(OH)2, Calcium Alumium Silicate (1 Item)
Ca2Al3(Si)4)3(OH), Calcium Aluminum Silicate (1 Item)
Ca2Al3(SiO4)3(OH), Calcium Aluminum Silicate (3 Items)
Ca2Al3Si3O12(OH), Calcium Aluminum Silicate (1 Item)
Ca2B5SiO9(OH)5, Calcium Borosilicate Hydroxide (1 Item)
Ca5(PO4)3(OH,F,Cl), Calcium Chloride Fluoride Phosphate (3 Items)
CaAl2Si3O10 3H2O, Hydrated Calcium Aluminum Silicate (1 Item)
CaCO3, Calcium Carbonate (7 Items)
CaCO3, Calcium Carbonate with Impurities (1 Item)
CaF2, Calcium Fluoride (4 Items)
CaSO4, Calcium Sulfate (1 Item)
CaSo4 2(H20), Calcium Sulfate Dihydrate (1 Item)
CaSO4 2(H2O), Calcium Sulfate Dihydrate (1 Item)
Coal formed from carbonized/fossilized wood (1 Item)
Complex Composition of Calcite and Aragonite (CaCO3 Calcium Carbonate) with Limestone/Dolomite (CaMg(CO3)2 Calcium Magnesium Carbonate) (1 Item)
Cu(Al,Fe3+)6(PO4)4(OH)8 4H2O, Hydrated Copper Aluminum Phosphate (1 Item)
Cu2 xAlx(H2 xSi2O5)(OH)4 nH2O, Hydrated Copper Phyllosilicate (1 Item)
Cu2CO3(OH)2, Copper Carbonate Hydroxide (1 Item)
CuFeS2, Copper Iron Sulfide (1 Item)
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Fe2O3, Iron Oxide (1 Item)
FeS2, Iron Sulfide (1 Item)
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K(Al,Cr)2(AlSi3O10)(OH)2, Potassium Aluminum Chromium Silicate (1 Item)
K(AlSi3O8), Potassium Aluminum Silicate (1 Item)
K(Na,Ca)11(Ba,Sr)Si18O46(OH,F) nH2O, Hydrated Potassium Calcium Sodium Silicate Hydroxide Fluoride (1 Item)
KAl2(AlSi3O10)(F,OH)2, Potassium Aluminum Silicate Hydroxide Fluoride (1 Item)
KLi2Al(Si4O10)(F,OH)2, Potassium Lithium Aluminum Fluorosilicate (1 Item)
KNa2Li3(Fe,Mn,Al)2Si12O30, Potassium Sodium Lithium Iron Manganese Aluminum Silicate (3 Items)
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LiAlSi2O6, Lithium Aluminum Silicate (2 Items)
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Mg2Al4Si5O18, Magnesium Iron Aluminium Silicate (1 Item)
Mg3(Si2O5)(OH)4 (1 Item)
Mg5Al(AlSi3O10)(OH)8, Magnesium Iron Aluminum Silicate (1 Item)
Mg6Cr2(CO3)(OH)16 4H2O, Magnesium Chromium Carbonate with Iron Impurities (1 Item)
MnCO3, Manganese Carbonate (2 Items)
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Na(90 70%)Ca(10 30%) (Al,Si)AlSi2O8, Sodium Calcium Aluminum Silicate (2 Items)
Na(90 70%)Ca(10 30%)(Al,Si)AlSi2O8, Sodium Potassium Aluminium Silicate (1 Item)
Na(Li,Al)3Al6Si6O18(BO3)3 (OH)4, Sodium Lithium Aluminum Boro Silicate (2 Items)
Na4Al3(SiO4)3Cl, Sodium Aluminum Silicate Chloride (2 Items)
NaCa2Si3O8(OH), Sodium Calcium Silicate Hydroxide (1 Item)
NaFe3(Al,Fe)6Si6O18(BO3)3(OH)4, Sodium Iron Aluminum Boro Silicate (2 Items)
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Pink Orthoclase Feldspar KAlSi3O8, Potassium Aluminum Silicate, Green Epidote Ca2(Al,Fe)3(SiO4)3(OH), Calcium Aluminum Iron Silicate Hydroxide, and SiO2 (1 Item)
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SiO2+Au and In, Silicon Dioxide bonded and coated with Gold and Indium (1 Item)
SiO2, Silicon Dioxide (28 Items)
SiO2, Silicon Dioxide bonded and coated with Gold (1 Item)
SiO2, Silicon Dioxide bonded and coated with Gold and/or Indium (1 Item)
SiO2, Silicon Dioxide bonded and coated with Gold and/or Iron Oxide (1 Item)
SiO2, Silicon Dioxide bonded and coated with Silver and/or Platinum (1 Item)
SiO2, Silicon Dioxide Complex A Quartz/Tourmaline Trachyte (1 Item)
SiO2, Silicon Dioxide naturally irradiated (3 Items)
SiO2, Silicon Dioxide with Actinolite or Chlorite Inclusions (1 Item)
SiO2, Silicon Dioxide with Carbon and Iron (1 Item)
SiO2, Silicon Dioxide with Copper Silicates Inclusions (1 Item)
SiO2, Silicon Dioxide with Copper/Cobalt/Manganese/Chromium Inclusions (3 Items)
SiO2, Silicon Dioxide with green (Chlorite) or red/brown (Iron) Inclusions (1 Item)
SiO2, Silicon Dioxide with Green Mineral Inclusions (1 Item)
SiO2, Silicon Dioxide with Hematite Inclusions (2 Items)
SiO2, Silicon Dioxide with Hematite or Goethite Inclusions (1 Item)
SiO2, Silicon Dioxide with Hematite or Pyrite Inclusions (1 Item)
SiO2, Silicon Dioxide with Impurities (8 Items)
SiO2, Silicon Dioxide with Inclusions (6 Items)
SiO2, Silicon Dioxide with Inclusions and/or Impurities (6 Items)
SiO2, Silicon Dioxide with Iron (1 Item)
SiO2, Silicon Dioxide with Iron or Titanium Inclusions (2 Items)
SiO2, Silicon Dioxide with Iron Oxide Impurities (1 Item)
SiO2, Silicon Dioxide with Lithium Inclusions (1 Item)
SiO2, Silicon Dioxide with Mica Inclusions (4 Items)
SiO2, Silicon Dioxide with Nickel Inclusions (1 Item)
SiO2, Silicon Dioxide with Titanium (Oxides and Hydroxides) Inclusions (1 Item)
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Typical Shungite: 30% Carbon, 57% Silicates and 13% Aluminum, Iron, Manganese, etc. / Noble Shungite: at least 94% Carbon (1 Item)
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Volcanic Rock (1 Item)
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[Na(90 70%)Ca(10 30%) Al,Si]AlSi2O8, Sodium Calcium Aluminum Silicate (1 Item)