Greenschist
Greenschist (Chlorite-actinolite schist)
metamorphic
Category
Metamorphic Or Igneous (Context Dependent)
Browse metamorphic or igneous (context dependent) specimens identified by the Rock Identifier community.
Learn about Metamorphic Or Igneous (Context Dependent) in the encyclopedia
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Epidote
Epidote (Ca2(Al2,Fe3+)AlSi3O12(OH))
mineral
Magnetite
Magnetite (Fe3O4)
mineral
Soapstone / Steatite
Steatite (primarily Talc, Mg3Si4O10(OH)2)
metamorphic
Emerald
Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)
gemstone
Garnet Gneiss
Garnetiferous quartzo-feldspathic gneiss
metamorphic
Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
mineral
Magnetite (Lodestone)
Iron(II,III) oxide (Fe3O4)
mineral
Gneissic Schist
Gneiss-schist (Metamorphic rock)
metamorphic
Gneiss and Igneous Rock Collection
Foliated Metamorphic Rock (Gneiss) / Igneous Rocks
metamorphic
Almandine Garnet
Almandine - Fe3Al2(SiO4)3
mineral
Garnet in Matrix
Almandine or Pyrope Garnet (X3Y2(SiO4)3) in Schist or Eclogite matrix
metamorphic
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Magnetite
Magnetite (Iron(II,III) oxide, Fe3O4)
mineral
Garnet Amphibolite (or Garnet Gneiss)
Garnet amphibolite / Garnet-bearing metamorphic rock
metamorphic
Specular Hematite (Specularite)
Iron(III) oxide (Fe2O3)
mineral
Rough Sapphire (Corundum)
Corundum (Al2O3)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Rough Sodalite
Sodalite, Na8(Al6Si6O24)Cl2
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Chalcopyrite
Chalcopyrite (CuFeS2)
mineral
Sodalite
Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2)
mineral
Gneiss
Metamorphic Foliated Gneiss
metamorphic
Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Banded Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Foliated Metamorphic Rock (likely Gneiss or Schist)
Gneissic Metamorphic Rock
metamorphic
Migmatite
Migmatite (Mixed metamorphic-igneous rock)
metamorphic
Banded Basalt / Lave Stone or Gneiss Pebble
Igneous/Metamorphic banded pebble
igneous
Tumbled quartz-rich stone, likely milky quartz
Quartz (SiO₂), possibly iron-stained milky quartz or quartzite
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Corundum (Sapphire in Host Rock)
Corundum (Aluminum Oxide, Al2O3)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Wollastonite
Calcium Inosilicate, CaSiO3
mineral
Epidote (likely Unakite component or Epidosite)
Epidote (Ca2(Al2Fe)(SiO4)(Si2O7)O(OH))
metamorphic
Quartz Crystal
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Quartz (SiO2)
sedimentary