Gold Quartz (Auriferous Quartz)
Silicon Dioxide (SiO2) with trace Gold (Au) and Iron Oxides
mineral
Category
Mineral (Metamorphic Pseudomorph)
Browse mineral (metamorphic pseudomorph) specimens identified by the Rock Identifier community.
Learn about Mineral (Metamorphic Pseudomorph) in the encyclopedia
View all →
Pyrite
Iron Disulfide (FeS2)
mineral
Potassium Feldspar (Orthoclase)
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Silver (Native Element / Alloy)
Silver (Ag)
mineral
Aquamarine
Beryl (Be3Al2Si6O18 with iron impurities)
mineral
Garnet (Almandine)
Almandine (Fe3Al2(SiO4)3)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz (Vein Quartz)
Silicon Dioxide (SiO2)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Arsenopyrite with Quartz
Arsenopyrite (FeAsS)
mineral
Magnetite (Iron Ore)
Magnetite (Fe3O4)
mineral
Quartz (Small Fragment)
Silicon Dioxide (SiO2)
mineral
Peacock Ore
Bornite (Cu5FeS4)
mineral
Quartz (Milky or White Quartz)
Silicon Dioxide (SiO2)
mineral
Pyrite on Quartz
Iron Sulfide (FeS2) on Silicon Dioxide (SiO2)
mineral
Greenschist (Chlorite Schist)
Greenschist (containing chlorite, actinolite, and epidote)
metamorphic
Schist
Mica Schist
metamorphic
Calcite
Calcium Carbonate (CaCO3)
mineral
Microcline Feldspar
KAlSi3O8
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Pyrite in Matrix
Iron Sulfide (FeS2)
mineral
Emerald
Beryl (Be3Al2(SiO3)6)
gemstone
Blue Apatite
Fluorapatite / Ca5(PO4)3F
mineral
Sapphire in a ring
Corundum (Al2O3)
mineral
Rough Quartz (Milky / Clear Quartz)
Silicon Dioxide (SiO2)
mineral
Epidote in Quartz
Quartz with Epidote inclusions (SiO2 with Ca2(Al,Fe)3(SiO4)3(OH) inclusions)
Mineral
Yellow Apatite Sphere (Polished)
Fluorapatite / Ca5(PO4)3F
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Moonstone
Orthoclase Feldspar ((K,Na)AlSi3O8)
gemstone
Schist
Metamorphic Rock (Schist)
metamorphic
Quartz fragment (Pebble)
Silicon Dioxide (SiO2)
mineral
Blue Sapphire
Corundum (Al2O3 with Cr, Fe, and Ti trace elements)
gemstone
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
Mineral
Quartzite with Calcite Accretion
Metamorphosed Quartz Sandstone (SiO2 with CaCO3 coating)
metamorphic
Mica Schist
Mica Schist
metamorphic
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite mica
metamorphic
Tourmaline
Schorl (Complex boron silicate, NaFe3Al6(Si6O18)(BO3)3(OH)4)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
Prehnite
Prehnite (Ca2Al2Si3O10(OH)2)
mineral
Quartz (Milky/Smoky Quartz)
Silicon Dioxide (SiO2)
mineral
Aventurine
Silicon Dioxide (Quartz with Fuchsite inclusions) - SiO2
mineral