Calcite
Calcium Carbonate (CaCO3)
Category
Browse igneous and sedimentary specimens identified by the Rock Identifier community.
Calcite
Calcium Carbonate (CaCO3)
Milky Quartz
Silicon Dioxide (SiO2)
Magnetite Sand (Black Sand)
Magnetite (Fe3O4)
Magnetite (Lodestone)
Iron(II,III) oxide (Fe3O4)
Dalmatian Stone
Dalmatian Jasper (a trade name for an igneous microcrystalline rock composed mostly of feldspar, quartz, and dravite)
Dalmatian Jasper
Dalmatian Stone (a microcrystalline quartz and feldspar rock with arfvedsonite)
Pyrite
Iron sulfide (FeS2)
Fluorescent Calcite
Calcite (CaCO3)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Agate
Chalcedony (SiO2) with impurities
Apatite
Fluorapatite / Chlorapatite (Ca5(PO4)3(F,Cl,OH))
Quartz (Raw Specimen)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz (Pebble)
Silicon Dioxide (SiO2)
Gravel / Small Pebble
Rock Fragment (Gravel)
Zoisite with Rubellite (Ruby in Zoisite)
Zoisite with inclusions of Hornblende (Anyolite)
Clear Quartz (Rock Crystal) Bracelet
Silicon Dioxide (SiO2)
Quartz (Pink / Ferruginous)
Silicon Dioxide (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Blue Quartz
Silicon Dioxide (SiO2) with inclusions
Yellow Calcite
Calcium Carbonate (CaCO3)
White Quartz
Silicon Dioxide (SiO2)
Quartz Crystal
Silicon Dioxide (SiO2)
White Quartz
Silicon Dioxide (SiO2)
White Quartz
Silicon Dioxide (SiO2)
White Quartz
Silicon Dioxide (SiO2)
Fluorite Bracelet
Calcium Fluoride (CaF2)
Quartz
Silicon Dioxide (SiO2)
Blue Quartz
Silicon Dioxide (SiO2) with inclusions
Quartz
Silicon Dioxide (SiO2)
White Quartz
Silicon Dioxide (SiO2)
White Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Magnetic Sand Grain / Magnetite Pellet
Magnetite (Fe3O4)
Clear Quartz Crystal
Silicon Dioxide (SiO2)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Quartz Crystal Fragment
Silicon Dioxide (SiO2)
Garnet (specifically Almandine)
Almandine - Fe3Al2(SiO4)3
Quartz (Granular)
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)