Quartz
Silicon Dioxide (SiO2)
mineral
Category
Sedimentary And Metamorphic Minerals
Browse sedimentary and metamorphic minerals specimens identified by the Rock Identifier community.
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Quartz
Silicon Dioxide (SiO2)
mineral
Schist (containing Muscovite Mica and Chlorite)
Mica Schist
metamorphic
Gneiss
Gneiss
metamorphic
Small red-brown mineral or rock fragment
Unidentified; possibly iron-oxide-rich jasper, garnet, or weathered sulfide
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Mica Schist
Mica Schist (Quartz-Mica Schist)
metamorphic
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Carved Merkaba)
Silicon Dioxide (SiO2)
mineral
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Gneiss
Gneiss (Foliated Metamorphic Rock)
metamorphic
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Banded metamorphic rock, likely gneiss
Biotite–quartz–feldspar gneiss, possibly migmatitic
metamorphic
Gneiss
Gneiss
metamorphic
Gneiss
Gneiss
metamorphic
Banded gneiss
Gneiss, commonly quartz–feldspar–mica gneiss
metamorphic
Gneiss
Gneiss (Metamorphic rock)
metamorphic
Gneiss
High-grade Metamorphic Gneiss
metamorphic
Gneiss
Gneissic Metamorphic Rock
metamorphic
Banded gneiss
Gneiss, typically quartz–feldspar–mica assemblage
metamorphic
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Garnet in Schist (Garnetiferous Micaceous Schist)
Almandine Garnet, Fe3Al2(SiO4)3
metamorphic
Quartz Pebble
Silicon dioxide (SiO2)
sedimentary
Likely weathered metamorphic rock (quartzite or schist)
Quartz-rich foliated metamorphic rock; exact identification requires testing
metamorphic
Quartz-Mica Schist (with Muscovite)
Metamorphic Rock (Quartz, Muscovite, Feldspar)
metamorphic
Mica Schist
Mica Schist (KAl2(AlSi3O10)(OH)2)
metamorphic
Marble
Metamorphosed Limestone (CaCO3)
metamorphic
Yellow Aventurine (or Citrine-colored Quartz)
Silicon Dioxide (SiO2) with inclusions
metamorphic
Garnet Schist
Almandine-Garnet Schist
metamorphic
Garnet Schist
Almandine Garnet (Fe3Al2(SiO4)3) in Mica Schist
metamorphic
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Gneiss (with Quartzite layers)
Gneissic Metamorphic Rock
metamorphic