Citrine
Silicon Dioxide (SiO2) with iron impurities
mineral
Category
Metamorphic
Browse metamorphic specimens identified by the Rock Identifier community.
Clear Quartz
Silicon dioxide (SiO2)
mineral
Dyed Agate
Silicon Dioxide with artificial pigment (SiO2)
sedimentary
Yellow Quartz (Citrine Quartz)
Silicon Dioxide (SiO2)
mineral
Sunstone
Plagioclase Feldspar ((Ca,Na)(Al,Si)4O8)
mineral
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
mineral
Smoky Quartz with Calcite/Quartz Veining
Silicon Dioxide (SiO2)
mineral
Schorl (Black Tourmaline)
NaFe3Al6Si6O18(BO3)3(OH)3OH (Iron tourmaline)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Ruby (Corundum)
Aluminium oxide (Al2O3) with Chromium traces
mineral
Hematite Nodule
Hematite (Fe2O3)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Rutilated Quartz (with Garnet pendant)
Silicon Dioxide (SiO2) with Titanium Dioxide (TiO2) inclusions
mineral
Red Aventurine
Aventurine Quartz (SiO2 + Hematite/Goethite)
metamorphic
Clear Quartz Crystal
Silicon Dioxide (SiO2)
mineral
Rough Sapphire (Corundum)
Corundum (Al2O3)
mineral
Quartz / Milky Quartz
Silicon Dioxide (SiO2)
mineral
Banded Agate
Agate (Cryptocrystalline variety of Quartz, SiO2)
mineral
Bornite
Bornite (Cu5FeS4)
mineral
Hypersthene
Hypersthene (formula: (Mg,Fe)SiO3)
mineral
Unidentifiable Rock Fragment
Uncertain
Specular Hematite
Specularite (Iron Oxide, Fe2O3)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Green Aventurine in Host Rock
SiO2 (Quartz with Fuchsite inclusions)
mineral
Green Aventurine
Aventurine Quartz (SiO2)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Citrine Quartz
Citrine (Silicon Dioxide, SiO2)
mineral
Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky or White Quartz)
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2) with aluminum impurities
mineral
Pyrite in Matrix (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
mineral
Sodalite
Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Black Tourmaline
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Muscovite on Quartz (Mica host rock)
KAl2(AlSi3O10)(OH)2 (Muscovite) in SiO2 (Quartz)
igneous/metamorphic
Muscovite Mica
Muscovite - KAl2(AlSi3O10)(F,OH)2
mineral