Quartzite with inclusions
Quartzite (primarily SiO2)
Category
Browse metamorphic specimens identified by the Rock Identifier community.
Quartzite with inclusions
Quartzite (primarily SiO2)
Quartzite
Quartzite (SiO2)
Red Quartzite
Quartzite (SiO2 with iron oxide impurities)
Quartzite
Quartzite (Primary mineral: SiO2)
Quartzite
Quartzite (SiO2)
Green Aventurine
SiO2 (Silicon Dioxide with Fuchsite inclusions)
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
Blue Kyanite
Kyanite (Al2SiO5)
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Quartz vein in Schist
Crystalline Silicon Dioxide (SiO2) in Metamorphic Host
Nephrite Jade
Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)
Muscovite Mica
KAl2(AlSi3O10)(F,OH)2
Almandine Garnet
Almandine (Fe3Al2(SiO4)3)
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
Muscovite Mica
Muscovite - KAl2(AlSi3O10)(OH)2
Rhodonite
Rhodonite (Manganese Silicate), (Mn,Fe,Mg,Ca)SiO3
Fuchsite in Quartz
K(Al,Cr)2(AlSi3O10)(OH)2 in SiO2
Quartzite
Quartzite (SiO2)
Talc (Soapstone variety)
Talc (Hydrated magnesium silicate) - Mg3Si4O10(OH)2
Yellow Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (Primary mineral: Quartz, SiO2)
Yellow Quartzite Pebble
Quartzite (primarily Silicon Dioxide - SiO2)
Marble
Recrystallized Carbonate Rock (CaCO3)
Dalmatian Stone
Dalmatian Jasper (a misnomer) / Perthitic Igneous Rock
Marble
Recrystallized Calcite (CaCO3)
Gneiss
Gneiss
Marble
Recrystallized Calcite (CaCO3) or Dolomite (CaMg(CO3)2)
White Marble
Recrystallized Calcite (CaCO3)
Schist (Micaceous Schist)
Micaceous schist (Mainly Muscovite/Biotite mixed with Quartz)
Garnet Schist
Garnetiferous Micaceous Schist
Quartzite
Quartzite (chiefly SiO2)
Mica Schist
Mica Schist (predominantly Muscovite or Biotite sheet silicates)
Iron-Stained Quartzite
Recrystallized Meta-Quartzite (primarily SiO2)
Greenstone
Greenschist / Greenstone (containing Chlorite, Epidote, Actinolite)
Unakite
Epidotized Granite
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite (chiefly SiO2)
Slate
Foliated Metamorphic Rock (composed primarily of silica and alumina with iron and magnesium)
Quartzite Pebble
Quartzite (primarily SiO2)
Quartzite
Quartzite
Mica Schist
Mica Schist (predominantly Muscovite/Biotite)
Epidote
Epidote (Ca2(Al,Fe)3(SiO4)3(OH))