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Assortments - By Chemical Composition

(CaNa)(SiAl)4O8, Sodium Calcium Aluminosilicate (2 Items)
(K,Na)Ca4Si8O20(F,OH) 8H2O, Hydrated Potassium Calcium Sodium Silicate Fluoride Hydroxide (1 Item)
(Mn,Fe,Mg,Ca)SiO3, Manganese Silicate (2 Items)
(Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, Sodium Calcium Aluminosilicate (20 Items)
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Al2(SiO4)(F,OH)2, Fluoride Aluminum Silicate (1 Item)
Al2O3, Aluminum Oxide (5 Items)
Al7BO3(SiO4)3O3, Aluminium Boro Silicate (2 Items)
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Be3Al2(Si6O18), Beryllium Aluminum Silicate (2 Items)
Be3Al2Si6O18, Beryllium Aluminum Silicate (3 Items)
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C10H16O, Fossilized Tree Resin (2 Items)
C10H16O, Tree Resin particularly from Protium copal (3 Items)
Ca2B5SiO9(OH)5, Calcium Borosilicate Hydroxide (2 Items)
CaCO3, Calcium Carbonate (1 Item)
CaF2, Calcium Fluoride (2 Items)
CaSo4 2(H20), Calcium Sulfate Dihydrate (1 Item)
CaSO4 2(H2O), Calcium Sulfate Dihydrate (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 (3 Items)
Cu2CO3(OH)2, Copper Carbonate Hydroxide (1 Item)
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Fe2O3, Iron Oxide (1 Item)
FeS2, Iron Sulfide (1 Item)
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K(AlSi3O8), Potassium Aluminum Silicate (2 Items)
KLi2Al(Si4O10)(F,OH)2, Potassium Lithium Aluminum Fluorosilicate (2 Items)
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MnCO3, Manganese Carbonate (1 Item)
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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 (4 Items)
Na4Al3(SiO4)3Cl, Sodium Aluminum Silicate Chloride (3 Items)
NaFe3(Al,Fe)6Si6O18(BO3)3(OH)4, Sodium Iron Aluminum Boro Silicate (4 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 (2 Items)
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SiO2, Silicon Dioxide (50 Items)
SiO2, Silicon Dioxide naturally irradiated (1 Item)
SiO2, Silicon Dioxide with Actinolite or Chlorite Inclusions (1 Item)
SiO2, Silicon Dioxide with Carbon and Iron (6 Items)
SiO2, Silicon Dioxide with Copper Silicates Inclusions (1 Item)
SiO2, Silicon Dioxide with Green Mineral Inclusions (4 Items)
SiO2, Silicon Dioxide with Hematite Inclusions (1 Item)
SiO2, Silicon Dioxide with Hematite or Pyrite Inclusions (11 Items)
SiO2, Silicon Dioxide with Impurities (8 Items)
SiO2, Silicon Dioxide with Inclusions (12 Items)
SiO2, Silicon Dioxide with Inclusions and/or Impurities (7 Items)
SiO2, Silicon Dioxide with Iron (2 Items)
SiO2, Silicon Dioxide with Iron or Titanium Inclusions (19 Items)
SiO2, Silicon Dioxide with Iron Oxide Impurities (21 Items)
SiO2, Silicon Dioxide with Mica Inclusions (23 Items)
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Volcanic Rock (1 Item)