Mica Schist
Mica Schist (primarily Muscovite and/or Biotite composition)
Category
Browse metamorphic and sedimentary specimens identified by the Rock Identifier community.
Mica Schist
Mica Schist (primarily Muscovite and/or Biotite composition)
Gneiss
Gneiss
Banded Slate (Lithified Mudstone)
Low-grade Metamorphosed Mudstone / Slate
Gneiss
Gneiss
Mica Schist
Mica Schist
Banded Gneiss
Gneiss
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite
Garnet-Bearing Gneiss
Almandine-Garnet Gneiss
Gneiss (specifically a weathered Amphibolite or Garnet Gneiss)
Gneiss (complex silicate composition)
Green Aventurine
Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)
Banded Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
Gneiss (specifically Pink Gneiss)
Gneiss (high-grade regional metamorphic rock)
Gneiss
Gneiss (High-grade regional metamorphic rock)
Banded Gneiss
Gneiss (High-grade regional metamorphic rock)
Garnet-bearing Schist
Almandine Garnet (Fe3Al2(SiO4)3) in Mica Schist
Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
Banded Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
Banded Gneiss
Gneiss (High-grade regional metamorphic rock)
Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
Manhattan Schist
Manhattan Schist (Aluminous Metasedimentary Rock)
Quartzite
Quartzite (SiO2)
Banded Quartzite
Quartzite (SiO2 with impurities)
White Marble
Calcite-rich Metasomatized Carbonate (CaCO3)
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) within Sedimentary/Metamorphic Matrix
Anthracite Coal
Anthracite (Carbon-based sedimentary rock typically classified as metamorphic)
Quartzite Pebble
Meta-quartzite
Quartzite Pebble
Quartzite (SiO2)
Petrified Wood
Silicified wood (primarily Silicon Dioxide, SiO2)
Mica Schist (with Golden/Biotite inclusions)
K(Mg,Fe)3AlSi3O10(F,OH)2 (Biotite), KAl2(AlSi3O10)(F,OH)2 (Muscovite)
Marble
Recrystallized Carbonate Rock (CaCO3)
Quartzite
Quartzite (chiefly SiO2)
Quartzite Pebble
Metamorphic Quartz-rich Rock (SiO2)
Gneiss
Gneiss (High-grade Metamorphic Rock)
Granitic Gneiss
Gneiss (High-grade Metamorphic Rock)
Quartzite River Pebble
Quartzite (principally SiO2)
Quartzite river stone
Quartzite (SiO2)
Gneiss
Gneiss
Greenschist
Greenschist (Chlorite-Epidote-Actinolite Schist)
Quartzite River Cobble
Quartzite (SiO2)
Quartzite
Quartzite (primarily SiO2)
Gneiss
Gneiss
Anthracite Coal
High-rank coal (primarily Carbon, C)