Quartz
Silicon Dioxide (SiO2)
Category
Browse igneous, sedimentary, metamorphic, mineral specimens identified by the Rock Identifier community.
Quartz
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Orange Calcite
Calcium Carbonate (CaCO3)
White Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky or Yellow variety)
Silicon Dioxide (SiO2)
Magnetite
Magnetite (Fe3O4)
Pyrite
Iron Sulfide (FeS2)
Greenschist
Chlorite Schist
Pyrite
Iron Sulfide (FeS2)
Hematite
Iron (III) Oxide (Fe2O3)
Pyrite
Iron Sulfide (FeS2)
Green Calcite
Calcium Carbonate (CaCO3)
Pyrite in Quartzite/Graphite Matrix
Iron Sulfide (FeS2)
Pyrite
Iron Sulfide (FeS2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
White Quartz (Milky Quartz)
Quartz (Silicon Dioxide - SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Garnet Gneiss
Garnetiferous quartzo-feldspathic gneiss
Educational Geologic Collection
Mixed Mineral and Rock Collection (Various compositions)
Gneiss
Metamorphic Gneiss
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
Magnetite (Lodestone)
Magnetite (Fe3O4)
Graphite
Graphite (Carbon, C)
Quartz
Silicon Dioxide (SiO2)
White Quartz
Silicon Dioxide (SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Quartz River Rock
Silicon Dioxide (SiO2)
Quartz Crystal
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Clear Quartz Point
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon dioxide (SiO2)
Quartz (Small Fragment)
Silicon Dioxide (SiO2)
Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz/White Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)