Clear Quartz
Silicon Dioxide (SiO2)
Category
Browse mineral (synthetic) specimens identified by the Rock Identifier community.
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz / Rock Crystal
Silicon Dioxide (SiO2)
Pink Granite (with Potassic Feldspar and Quartz)
Felsic Intrusive Igneous Rock (Granite)
Leopard Skin Jasper
Silicon Dioxide (SiO2) with impurities
Prehnite
Prehnite (Ca2Al2Si3O10(OH)2)
Himalayan Salt
Halite (mineral name), chemical formula NaCl (sodium chloride). Generally, 'Himalayan Salt' is a trade name for evaporite minerals from specific regions.
Schist
Mica Schist
Granite
Granite (a common name for a felsic intrusive igneous rock)
Pyrite
Iron Sulfide (FeS2)
Granite
Phaneritic Igneous Rock (Granite)
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Amber
Succinate (Fossilized Resin)
Quartz
Quartz (Silicon Dioxide, SiO2)
Obsidian
Obsidian (Volcanic Glass, SiO2 + impurity)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
Obsidian
Volcanic glass (SiO2 + impurities)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz (Milky/Crystalline variety)
Silicon Dioxide (SiO2)
Quartz (Milky or Cloudy)
Silicon Dioxide (SiO2)
Chalcopyrite
Copper Iron Sulfide (CuFeS2)
Obsidian
Extrusive igneous volcanic glass (rich in SiO2)
Ruby and Diamond Heart Pendant
Corundum (Al2O3) and Diamond (C)
Quartz (Milky to Clear)
Silicon Dioxide (SiO2)
Obsidian
Extrusive igneous volcanic glass
Quartz (possibly Citrine or Smoky Quartz variety)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Green Aventurine
Silicon dioxide (SiO2) with Fuchsite inclusions
Chrysocolla on Matrix
Hydrated copper phyllosilicate mineral (Cu,Al)2H2Si2O5(OH)4·nH2O
Calcite
Calcium Carbonate (CaCO3)
Quartz (Milky/Snow)
Silicon Dioxide (SiO2)
Pyrite in Matrix
Iron Disulfide (FeS2)
Sandstone
Arenite (SiO2 predominantly)
Satin Spar Selenite
Gypsum (CaSO4·2H2O)
Pink Satin Spar (Satin Spar Selenite Dyed)
Gypsum (CaSO4·2H2O)
Hematite
Iron(III) oxide (Fe2O3)
Satin Spar (Gypsum)
Calcium Sulfate Dihydrate (CaSO4·2H2O)
Lepidolite (likely)
K(Li,Al)3(Al,Si)4O10(F,OH)2 (Phyllosilicate mineral, part of the mica group)
Larimar
NaCa2Si3O8(OH)
Lepidolite in Quartz Matrix
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2