Gneiss
Foliated Metamorphic Rock
metamorphic
Category
Metamorphic Or Igneous
Browse metamorphic or igneous specimens identified by the Rock Identifier community.
Learn about Metamorphic Or Igneous in the encyclopedia
View all →
Gneiss
Gneissic Metamorphic Rock
metamorphic
Soapstone / Steatite
Steatite (primarily Talc, Mg3Si4O10(OH)2)
metamorphic
Epidote (with Quartz and Feldspar)
Epidote (unakalite/unite), Ca2(Al2Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Greenstone (Greenschist)
Greenschist facies rock (containing chlorite, actinolite, and epidote)
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Schist
Schist
metamorphic
Gneiss
Metamorphic Gneiss (High-grade regional metamorphism)
metamorphic
Quartz
Quartz (SiO₂ - Silicon Dioxide)
Mineral
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Gneiss
Gneissic Metamorphic Rock
metamorphic
Gneiss
Gneissic Metamorphic Rock
metamorphic
Greenschist
Greenschist (Actinolite-Chlorite Schist)
metamorphic
Gneiss (Metamorphic Rock)
Gneiss
metamorphic
Magnetite (Iron Ore)
Magnetite (Fe3O4)
mineral
Greenstone
Metabasalt / Chlorite Schist
metamorphic
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Epidote (likely Unakite component or Epidosite)
Epidote (Ca2(Al2Fe)(SiO4)(Si2O7)O(OH))
metamorphic
Muscovite Mica
KAl2(AlSi3O10)(F,OH)2
mineral
Almandine Garnet
Almandine (Fe3Al2(SiO4)3)
mineral
Muscovite Mica
Muscovite - KAl2(AlSi3O10)(OH)2
mineral
Epidotite
Epidotite (Epidote content > 50%)
metamorphic
Faceted Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
gemstone
Orthoclase Feldspar
K(AlSi3O8)
mineral
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Rough Sodalite
Sodalite, Na8(Al6Si6O24)Cl2
mineral
Amethyst (Tumbled)
Silicon Dioxide (SiO2) with iron impurities
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Hematite
Iron (III) oxide (Fe2O3)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Blue Quartz
Quartz (Silicon Dioxide) with blue inclusions (SiO2)
mineral