Gneiss (Granitic Gneiss)
Gneiss (composed primarily of Quartz, Feldspar, and Mica/Amphibole)
metamorphic
Category
Metamorphic And Sedimentary
Browse metamorphic and sedimentary specimens identified by the Rock Identifier community.
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Muscovite Schist
Mica Schist (primarily KAl2(AlSi3O10)(OH)2)
metamorphic
Gneiss (Banded Gneiss)
Gneiss
metamorphic
Gneiss
Gneiss
metamorphic
Hematite
Iron(III) oxide (Fe2O3)
mineral
Greenschist
Greenschist facies rock (containing chlorite, actinolite, albite, and epidote)
metamorphic
White Marble
Recrystallized Calcite (CaCO3)
metamorphic
Kyanite (Blue or Blue-Grey)
Kyanite (Al2SiO5)
metamorphic mineral
Almandine Garnet
Iron aluminum silicate - Fe3Al2(SiO4)3
metamorphic
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Gneiss
High-grade regional metamorphic rock
metamorphic
Marble
Recrystallized Calcite (CaCO3)
metamorphic
Marble
Recrystallized Calcite (CaCO3)
metamorphic
Shungite
Non-crystalline carbon (high-carbon metamorphic rock)
metamorphic
Marble
Recrystallized Calcite (CaCO3) / Marble
metamorphic
Gneiss
Gneiss
metamorphic
Kyanite in Quartz
Kyanite (Al2SiO5) with Quartz (SiO2)
metamorphic
Gneiss
Gneiss
metamorphic
Greenstone (Greywacke or Nephrite Jade variant)
Metamorphosed mafic igneous or sedimentary rock (e.g., Actinolite-Chlorite Schist)
metamorphic
Mica Schist
Crystalline Schist (often containing Muscovite, Biotite, and Quartz)
metamorphic
Rhodonite
Manganese Inosilicate (MnSiO3)
Mineral
Banded Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Schist/Phyllite
Metamorphic Schist (Chlorite Schist variety)
metamorphic
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Granite Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Gneiss
Gneiss (high-grade metamorphic rock)
metamorphic
Feldspathic Gneiss (Granite Gneiss)
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Gneiss
Gneiss (Foliated Metamorphic Rock)
metamorphic
Banded Gneiss
Gneiss (Metamorphic silicate rock)
metamorphic
Sandstone (with potentially metamorphic or basaltic bands)
Arenite / Lithic Wacke
sedimentary
Amphibolite (specifically Hornblende Schist/Gneiss)
Amphibole-rich Metamorphic Rock
metamorphic
Mica Schist
Foliated Metamorphic Rock (Schist)
metamorphic
River Stone (River Pebble)
River Stone (Composition: primarily Quartzite, Chalcedony, and silicate minerals)
sedimentary
Dragon Blood Jasper
Epidote with Red Piedmontite (Chalcedony/Quartz variant)
sedimentary
Garnet Schist
Almandine Garnet-bearing Mica Schist
metamorphic
Biotite Schist with Garnet
Garnet-Biotite Schist
metamorphic
Banded Gneiss
Gneiss (High-grade regional metamorphic rock)
metamorphic
Anthracite Coal
Anthracite (Carbon-based sedimentary-derived metamorphic rock)
metamorphic
Garnet (likely Almandine)
Almandine Garnet, Fe3Al2(SiO4)3
mineral
Garnet (Almandine)
Almandine (Fe3Al2(SiO4)3)
mineral