Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Category
Browse igneous or metamorphic specimens identified by the Rock Identifier community.
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Schorl (Black Tourmaline)
NaFe3Al6(BO3)3Si6O18(OH)4 (Sodium Iron Aluminum Borosilicate)
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
Morganite (Pink Beryl)
Beryllium aluminum silicate Be3Al2(SiO3)6
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Sodalite
Sodalite [Na8(Al6Si6O24)Cl2]
Cloud Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Quartz (Milky Quartz/Citrine Type)
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide with trace inclusions of dumortierite or titanium (SiO2)
Mica (Muscovite)
Muscovite (KAl2(AlSi3O10)(OH)2)
Jasper in Rhyolite matrix
Silicon Dioxide (SiO2) with various inclusions in Felsic Igneous matrix
Granite (with Almandine Garnet inclusions)
Granite composed primarily of Quartz (SiO2), K-Feldspar (KAlSi3O8), and Almandine Garnet (Fe3Al2(SiO4)3)
Garnet
Garnet Group (complex nesosilicates with general formula X3Y2(SiO4)3, where X can be Ca, Mg, Fe2+, Mn2+ and Y can be Al, Fe3+, Cr3+, V3+)
Gneiss (with Mica and Quartz)
Gneissic Metamorphic Rock
Quartz (likely milky/rose quartz variety)
Quartz (SiO2 - Silicon Dioxide)
Greenschist
Greenschist
Unakite
Epidotized Granite
Chlorite (Small Flakes/Sand)
Chlorite Group (Magnesium Iron Aluminum Silicate Hydroxide - (Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6)
Ruby
Corundum (Al2O3 with Chromium traces)
Ruby (Corundum)
Corundum (Aluminum Oxide) with chromium trace elements, Al2O3
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
Milky Quartz (Common Quartz)
Quartz (Silicon Dioxide, SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite mica
Rhodochrosite
Manganese carbonate (MnCO3)
Collection of Minerals and Ores
Various (e.g., Uraninite (U3O8), Carbon (C), Native Gold (Au), Hematite (Fe2O3), Galena (PbS), etc.)
Pyrite
Iron Sulfide (FeS2)
Clear Quartz (Carved Merkaba)
Silicon Dioxide (SiO2)
Quartz (Milk Quartz / Massive Quartz)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Quartz (Milky/Crystal Variety)
Silicon Dioxide (SiO2)
Black Tourmaline
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
Quartz / Milky Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Sodalite
Na8(Al6Si6O24)Cl2 (Sodium Aluminum Silicate Chloride)
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Clear Quartz
Silicon Dioxide (SiO2)
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Clear Quartz
Silicon Dioxide (SiO2)
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)