Mica Schist
Mica Schist (KAl2(AlSi3O10)(OH)2 / K(Mg,Fe)3AlSi3O10(OH)2)
metamorphic
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.
Learn about Metamorphic (Likely Gneiss Or Schist Based On Texture) in the encyclopedia
View all →
Gneiss
Gneiss
metamorphic
Gneiss
Gneiss
metamorphic
Gneiss
Gneiss
metamorphic
Gneiss
Gneiss
metamorphic
Gneiss
Gneiss
metamorphic
Banded Gneiss
Banded Gneiss (Metamorphic Rock)
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Schist
Mica Schist
metamorphic
Epidote in Quartz
Quartz with Epidote inclusions (SiO2 with Ca2(Al,Fe)3(SiO4)3(OH) inclusions)
Mineral
Gneiss
Gneiss
metamorphic
Black Tourmaline
Schorl (Na(Fe²⁺)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄)
Mineral
Gneiss
Gneiss
metamorphic
Mica Schist with Garnet
Garnet-Mica Schist
metamorphic
Rounded granite or granitic gneiss cobble
Granite; primarily quartz, feldspar, and mica (exact identification requires a fresh surface and testing)
igneous
Dark weathered igneous rock, likely basalt
Basalt; chiefly plagioclase feldspar, pyroxene, and commonly olivine or iron oxides
igneous
Gneiss
Gneiss
metamorphic
Gneiss (Granite Gneiss)
Gneiss
metamorphic
Gneiss
Gneiss
metamorphic
Picture Jasper
Silicon Dioxide (SiO2) with iron oxide and clay impurities
sedimentary
Banded Gneiss
Gneiss
metamorphic
Jasper in Quartzite (likely Cinnabar or Iron inclusions)
Silicon dioxide (SiO2) with impurities
metamorphic
Schist
Chlorite-Mica Schist
metamorphic
Emerald in Matrix
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
gemstone
Black Star Diopside
Diopside (CaMgSi2O6) with asterism
Mineral
Gneiss
Gneiss
metamorphic
Mica Schist
Mica Schist (primarily Muscovite and/or Biotite composition)
metamorphic
Schist with Quartz
Mica Schist (contains Muscovite/Biotite and Quartz SiO2)
metamorphic
Banded Gneiss
Banded Orthogneiss or Paragneiss (Quartz-Feldspathic Gneiss)
metamorphic
Granitic Gneiss
Gneiss (high-grade metamorphic rock primarily of quartz, feldspar, and mica)
metamorphic
Mica schist (possibly garnet–mica schist)
Muscovite–biotite schist; chiefly quartz, feldspar, muscovite, and biotite
metamorphic
Gneiss (with Quartzite and Mica)
Gneiss
metamorphic
Schist (with Iron Oxide)
Mica Schist
metamorphic
Gneiss
High-grade regional metamorphic rock
metamorphic
Clear Quartz (Rock Crystal)
Quartz (SiO₂)
Mineral
Gneiss
Gneiss
metamorphic
Gneiss
Gneiss
metamorphic
Gneiss (Banded Gneiss Cobble)
Gneiss
metamorphic
Gneissic River Cobble
Gneiss
metamorphic
Gneiss
Gneiss
metamorphic
Gneiss
Gneiss
metamorphic
Gneiss (with iron staining)
Gneiss
metamorphic