Clear Quartz
Silicon Dioxide (SiO2)
mineral
Category
Igneous Or Sedimentary (Anthropogenic Modification)
Browse igneous or sedimentary (anthropogenic modification) specimens identified by the Rock Identifier community.
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Clear Quartz Crystal Cluster
Silicon Dioxide (SiO2)
mineral
Orange Calcite
Calcite (CaCO3)
Mineral
Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Auriferous Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Garnet (Almandine variety)
Almandine Garnet (Fe3Al2(SiO4)3)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Yellow Chalcedony (Agate Pebble)
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Quartz (Clear Quartz)
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Gneiss
Gneiss
metamorphic
Pyrite
Iron Sulfide (FeS2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Common Quartz)
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Kambaba Jasper
Rhyolite (Volcanic rock) or Stromatolite (debated)
Igneous/Sedimentary (debated)
Quartz (Milky/Gray variety)
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz / Common Agate
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Pyrite in Matrix
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Quartz
Quartz (SiO2 - Silicon Dioxide)
Mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Leopard Skin Jasper
Silicon Dioxide (SiO2) with impurities
sedimentary
K2 Jasper (K2 Granite)
Granite with Azurite inclusions (SiO2 + Cu3(CO3)2(OH)2)
igneous
Water and Silt (Sedimentary Environment)
Suspended Sediment / H2O (dihydrogen monoxide)
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Agate
Cryptocrystalline Quartz (SiO2)
sedimentary
Bumblebee Jasper
Calcite with Arsenic and Manganese oxides (technically a volcanic rock)
igneous
Magnetite
Magnetite (Fe3O4)
Mineral
Quartz
Silicon Dioxide (SiO2)
Mineral
Quartz / Limestone Gravel
SiO2 (Silicon Dioxide) and CaCO3 (Calcium Carbonate)
igneous and sedimentary mixture