Quartzite
Metamorphosed Quartz Sandstone (SiO2)
Category
Browse mineral (synthetic) specimens identified by the Rock Identifier community.
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
Granite
Granite (Felsic intrusive igneous rock)
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Granite
Granite (Phaneritic Igneous Rock)
Granite
Phaneritic Felsic Igneous Rock
Granite
Granite (Felsic Plutonic Rock)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Tumbled Stones (various)
Mixed Silica-based Minerals (primarily Quartz and Chalcedony)
Pearl
Calcium carbonate (CaCO3) + organic conchiolin (Biogenic Mineral)
Ocean Jasper
Silicon Dioxide (SiO2) with iron and other mineral inclusions
Rose Quartz
Silicon Dioxide (SiO2) with inclusions of Dumortierite or similar minerals
Dumortierite Quartz
Al7BO3(SiO4)3O3 (Borosilicate mineral/Quartz inclusion)
Himalayan Pink Salt (Halite)
Halite (Sodium Chloride, NaCl)
Rhodochrosite
Manganese Carbonate (MnCO3)
Marble
Recrystallized Calcite (CaCO3) or Dolomite (CaMg(CO3)2)
Bornite
Cu5FeS4 (Copper Iron Sulfide)
Chrysocolla
Chrysocolla (Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O)
Sandstone (likely Arkosic or Lithic Sandstone)
Clastic Sedimentary Rock (SiO2 with assorted minerals)
Shale
Shale (clay-sized silicate minerals)
Basalt with vesicles (Amygdaloidal Basalt)
Amygdaloidal Basalt (predominantly Plagioclase and Pyroxene)
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Sandstone
Arenite (SiO2 primarily)
Greywacke (likely)
Greywacke (a type of sandstone)
Magnetite
Iron(II,III) oxide (Fe3O4)
Corundum (Ruby Variety)
Corundum (Al2O3)
Gneiss
Gneiss (High-grade metamorphic rock)
Granite
Phaneritic Igneous Rock (Granite)
Bumblebee Jasper
Fibrous Calcite with Arsenic and Sulfur inclusions
Granite Gneiss
Gneiss (High-grade Metamorphic Rock)
Yellow Quartz (Citrine or Quartzite Pebble)
Silicon Dioxide (SiO2)
Porphyritic Basalt
Basalt (with plagioclase or k-feldspar phenocrysts)
Sandstone (with garnet granules)
Clastic sedimentary rock (primarily SiO2 with Fe3Al2(SiO4)3 inclusions)
Quartz Pebble
Silicon Dioxide (SiO2)
Sandstone
Arenite (primarily SiO2)
Basalt with Quartz/Calcite Veins
Aphanitic Mafic Igneous Rock (Hydrothermal Veined)
Gneiss
Gneiss (High-grade metamorphic rock)
Gneiss
Gneiss (High-grade Metamorphic Rock)
Sandstone (Quartzose Sandstone)
Clastic sedimentary rock (SiO2 dominated)
Green Garden Quartz (Phantom Quartz)
Silicon Dioxide (SiO2) with Chlorite inclusions
Earth
Terra / Earth
Carnelian
Carnelian (SiO2)