Quartz
Silicon Dioxide (SiO2)
Category
Browse sedimentary and metamorphic specimens identified by the Rock Identifier community.
Quartz
Silicon Dioxide (SiO2)
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Silicon Dioxide (SiO2)
Limonite
FeO(OH)·nH2O
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Silicon Dioxide (SiO2)
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Silicon Dioxide (SiO2)
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Silicon Dioxide (SiO2)
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Silicon Dioxide (SiO2)
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Silicon Dioxide (SiO2)
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Silicon Dioxide (SiO2)
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Silicon Dioxide (SiO2)
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Silicon dioxide (SiO2)
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Silicon Dioxide (SiO2)
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Silicon Dioxide (SiO2)
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Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
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Silicon Dioxide (SiO2)
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Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
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Silicon Dioxide (SiO2)
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Silicon Dioxide (SiO2)
Blue Calcite
Calcium Carbonate (CaCO3)
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Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
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Silicon Dioxide (SiO2)
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Silicon Dioxide (SiO2)
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Silicon Dioxide (SiO2)
Blue Apatite
Calcium phosphate fluorapatite, Ca5(PO4)3(F,Cl,OH)
Feldspar
Potassium or Plagioclase Feldspar (KAlSi3O8 - NaAlSi3O8)
Quartz
Silicon Dioxide (SiO2)
Limonite Concretion
Hydrated Iron Oxide Hydroxide, FeO(OH)nH2O
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Silicon Dioxide (SiO2)
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Silicon Dioxide (SiO2)
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Silicon Dioxide (SiO2)
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Silicon Dioxide (SiO2)
Yellow Calcite
Calcium Carbonate (CaCO3)
Calcite
Calcium Carbonate (CaCO3)
White Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Quartz
Silicon Dioxide (SiO2)