Greenschist
Chlorite schist
metamorphic
Category
Metamorphic Rock (Primarily Composed Of Minerals)
Browse metamorphic rock (primarily composed of minerals) specimens identified by the Rock Identifier community.
Learn about Metamorphic Rock (Primarily Composed Of Minerals) in the encyclopedia
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Blue Quartz
Silicon Dioxide (SiO2) with inclusions
mineral
Serpentinite
Serpentinite (Mg3Si2O5(OH)4)
metamorphic
Lapis Lazuli
Na6Ca2(Al6Si6O24)(S,SO4,Cl)1-2 (primarily containing Lazurite with inclusions of Calcite and Pyrite)
metamorphic
Potassium Feldspar (Orthoclase)
Orthoclase (KAlSi3O8)
mineral
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Chalcedony in Matrix
Silicon Dioxide (SiO2)
mineral
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) within metamorphic/igneous matrix
igneous/metamorphic
Granite
Granite (Phaneritic Quartz-rich Igneous Rock)
igneous
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
metamorphic
Eclogite
Eclogite (Omphacite-Garnet rock)
metamorphic
Glaucophane Schist (Blueschist)
Blueschist facies metamorphic rock
metamorphic
Blue Kyanite
Kyanite (Al2SiO5)
mineral
Basalt
Extrusive Mafic Igneous Rock (composed primarily of plagioclase feldspar and pyroxene)
igneous
Snowflake Obsidian
Obsidian with Cristobalite inclusions
igneous
Garnet
Almandine (Fe3Al2(SiO4)3) or Pyrope (Mg3Al2(SiO4)3)
mineral
Hypersthene
Hypersthene (formula: (Mg,Fe)SiO3)
mineral
Green Aventurine
Silicon dioxide (SiO2) with fuchsite inclusions
mineral
Epidote in Quartz
Quartz with Epidote inclusions (SiO2 with Ca2(Al,Fe)3(SiO4)3(OH) inclusions)
Mineral
White Marble
Calcite-rich Metasomatized Carbonate (CaCO3)
metamorphic
Biotite Schist
Biotite Schist
metamorphic
Lapis Lazuli
Lapis lazuli (a rock primarily composed of Lazurite: (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
metamorphic
Blue Quartzite (Blue Aventurine / Dumortierite Quartz)
Quartzite with inclusions (SiO2 with AlAl4BSi3O18)
metamorphic
Granite
Phaneritic plutonic rock (composed primarily of Quartz, Feldspar, and Mica)
igneous
Limestone
Sedimentary rock composed primarily of Calcium Carbonate (CaCO3)
sedimentary
Red Garnet (Pyrope or Almandine)
Garnet Group (A3B2(SiO4)3)
mineral
Garnet (Pyrope-Almandine series)
Garnet Group, (Mg,Fe)3Al2Si3O12
mineral
Greenschist
Greenschist (Chlorite-actinolite schist)
metamorphic
Unakite
Epidotized Granite
metamorphic
Basalt
Mafic Igneous Rock (composed primarily of Pyroxene and Plagioclase Feldspar)
Igneous
Basalt
Extrusive Mafic Igneous Rock (composed primarily of Plagioclase and Pyroxene)
igneous
Almandine Garnet
Iron aluminum silicate (Fe3Al2(SiO4)3)
mineral
Gneiss (Banded Gneiss)
Gneiss
metamorphic
Milky Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
Mineral
Blue Quartz
Quartz (SiO2) with inclusions
Mineral
Blue Chalcedony (Tumbled)
Silicon Dioxide (SiO2)
mineral
Fuchsite in Quartz
Muscovite (KAl2(AlSi3O10)(OH)2) containing Chromium + Quartz (SiO2)
metamorphic
Turquoise (Dyed Howlite/Magnesite)
CuAl6(PO4)4(OH)8·4H2O (Natural Turquoise) or Ca2B5SiO9(OH)5 (Howlite)
mineral
Ruby
Corundum (Al2O3) with Chromium traces
mineral
Feldspar (Orthoclase)
Potassium Feldspar (KAlSi3O8)
mineral
Banded Gneiss with Quartz Veining
Gneiss (High-grade Regional Metamorphism)
metamorphic
Moqui Marble (Shaman Stone)
Iron Oxide Concretion (composed primarily of Quartz sand with Hematite/Goethite shell)
sedimentary