Garnet (likely pyrope–almandine)
Garnet-group nesosilicate, commonly pyrope Mg₃Al₂(SiO₄)₃ or almandine Fe₃Al₂(SiO₄)₃
mineral
Category
Metamorphic (Likely Gneiss Or Schist Based On Texture)
Browse metamorphic (likely gneiss or schist based on texture) specimens identified by the Rock Identifier community.
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Banded gneiss (probable garnet–biotite gneiss)
Gneiss; chiefly quartz (SiO₂), feldspar, biotite mica, and possibly garnet
metamorphic
Banded Gneiss with Quartz Veining
Gneiss (High-grade Regional Metamorphism)
metamorphic
Garnet amphibolite / Metamorphic Rock
Garnet Amphibolite (Hornblende - Almandine schist/gneiss)
metamorphic
Tourmaline
Schorl (Complex boron silicate, NaFe3Al6(Si6O18)(BO3)3(OH)4)
mineral
Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Banded gneiss
Foliated felsic gneiss; commonly quartz–feldspar–mica bearing
metamorphic
Blue Kyanite
Kyanite (Al2SiO5)
metamorphic
Gneiss
Gneiss (SiO2-rich metamorphic rock)
metamorphic
Quartz (Quartzite fragment)
Silicon Dioxide (SiO2)
metamorphic
Garnet (Polished)
Nesosilicate (Group formula: X3Y2(SiO4)3)
gemstone
Black Tourmaline (Schorl)
NaFe2+3Al6(BO3)3Si6O18(OH)4 (Schorl)
mineral
Almandine Garnet
Fe3Al2(SiO4)3
gemstone
Tumbled granite or granitic gneiss
Granite; primarily quartz, alkali feldspar, plagioclase, and mica
igneous
Corundum (Sapphire/Ruby in Matrix)
Aluminium oxide (Al2O3)
mineral
Schist (Biotite/Mica Schist)
Medium-grade regional metamorphic rock (rich in Phyllosilicates)
metamorphic
Garnet in Matrix (likely Almandine Garnet)
Almandine (Fe3Al2(SiO4)3)
metamorphic
Ruby in Kyanite
Corundum (Al2O3) in Kyanite (Al2SiO5)
metamorphic
Gneiss
Gneiss
metamorphic
Emerald in Matrix
Beryl (Be3Al2Si6O18)
mineral
Mica Schist
Schist (Muscovite-Biotite Schist)
metamorphic
Garnet
Group of silicate minerals (e.g., Almandine: Fe3Al2(SiO4)3)
gemstone
Almandine Garnet
Almandine (Fe3Al2(SiO4)3)
gemstone
Banded Gneiss
Foliated Gneiss
metamorphic
Gneiss (specifically Amphibolite Gneiss)
Gneiss
metamorphic
Schist
Mica Schist
metamorphic
Mica Schist with Garnet
Almandine-Mica Schist
metamorphic
Mica-rich metamorphic rock, likely schist
Muscovite–biotite schist; principally muscovite mica, biotite, quartz, and feldspar
metamorphic
Banded metamorphic rock, likely gneiss or schist
Quartz–feldspar–mica gneiss/schist; exact identification requires thin-section or tests
metamorphic
Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Gneiss (Metamorphosed Granitic Rock)
Gneiss (composed mainly of quartz, feldspar, biotite, and/or hornblende)
metamorphic
Gneiss
Gneiss (Foliated Metamorphic Rock)
metamorphic
Blue Kyanite
Kyanite (Al2SiO5)
mineral
Likely weathered gneiss or mica-rich schist
Foliated metamorphic rock, probably quartz–feldspar–biotite gneiss/schist
metamorphic
Gneiss
Foliated Metamorphic Rock (Gneiss)
metamorphic
Schist
Mica Schist
metamorphic
Granite Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Gneiss (with Granite/Pegmatite Vein)
Foliated Metamorphic Rock (Quartz-Feldspar Gneiss)
metamorphic
Schist
Mica Schist
metamorphic
Garnet
Garnet Group (Silicate Minerals)
mineral
Banded Gneiss
Gneiss (pronounced 'nice')
metamorphic
Gneiss
Gneiss
metamorphic