Quartz
Silicon Dioxide (SiO2)
mineral
Category
Sedimentary And Metamorphic
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Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Limonite
FeO(OH)•nH2O
mineral
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite Ore
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Green Calcite
Calcium Carbonate (CaCO3)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3(F,Cl,OH))
mineral
Clear Quartz (Faceted)
Silicon Dioxide (SiO2)
gemstone
Quartz (Tumbled)
SiO2 (Silicon Dioxide)
mineral
Quartz (Citrine or Iron-Stained)
SiO2
mineral
Citrine
Silicon dioxide (SiO2)
gemstone
Apatite
Ca5(PO4)3(F,Cl,OH)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Quartz fragment
Silicon Dioxide (SiO2)
mineral
Blue Apatite
Ca5(PO4)3(F,Cl,OH)
mineral
Gneiss
Gneiss; a foliated metamorphic rock commonly composed of quartz, feldspar, and mica
metamorphic
Muscovite Schist
Metamorphic schist rich in KAl2(AlSi3O10)(OH)2
metamorphic
Gneiss
Metamorphic Gneiss
metamorphic
Greenschist
Chlorite Schist
metamorphic
Marble
Metamorphic limestone (CaCO3)
metamorphic
Magnetite (Iron Ore)
Iron(II,III) oxide (Fe3O4)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Almandine Garnet
Almandine, Fe3Al2(SiO4)3
mineral
Citrine
Silicon Dioxide (SiO2)
mineral
Hematite
Iron Oxide (Fe2O3)
mineral
Likely biotite-rich schist
Mica schist, probably containing biotite and quartz (exact identification requires testing)
metamorphic
Quartz
Silicon Dioxide (SiO2)
mineral
Yellow Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Crystal
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral