Muscovite Schist
Muscovite Mica Schist (KAl2(AlSi3O10)(OH)2)
Category
Browse sedimentary or metamorphic derived specimens identified by the Rock Identifier community.
Muscovite Schist
Muscovite Mica Schist (KAl2(AlSi3O10)(OH)2)
Quartz on Schist
Silicon Dioxide (SiO2) on Foliated Metamorphic Rock
Banded Gneiss
Gneiss (High-grade regional metamorphic rock)
Banded Gneiss
Gneiss (High-grade Metamorphic Rock)
Gneiss
Gneiss
Banded Slate (Lithified Mudstone)
Low-grade Metamorphosed Mudstone / Slate
Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
Diamond Drill Core (Greenschist and Quartzite)
Chlorite Schist / Meta-quartzite (Metamorphic Rock Core Sample)
Green Aventurine
Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)
Gneiss (Metamorphic Rock)
Gneiss
Garnet-Bearing Gneiss
Almandine-Garnet Gneiss
Gneiss (specifically Amphibolite Gneiss)
Gneiss
Gneiss (specifically a weathered Amphibolite or Garnet Gneiss)
Gneiss (complex silicate composition)
Garnet (specifically Almandine)
Almandine (Fe3Al2(SiO4)3)
Garnet (Almandine)
Almandine (Fe3Al2(SiO4)3)
Almandine Garnet
Almandine [Fe3Al2(SiO4)3]
Clear Quartz (or Rock Crystal)
Quartz (SiO₂)
Jasper
Jasper (Silicon Dioxide, SiO2)
Jasper with Quartz inclusions
Silicon Dioxide (SiO2) with impurities
Jasper
Silicon dioxide (SiO2)
Opal
Hydrated Silica (SiO2·nH2O)
Geode (Unopened)
Crystalline Quartz Geode (SiO2)
Quartz Geode
Silicon Dioxide (SiO2) within a geode
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
Pink Quartzite
Quartzite (SiO2 with iron oxide inclusions)
Quartzite
Quartzite (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Nuummite
Nuummite (Orthoamphibole rock / Anthophyllite-Gedrite blend)
Banded Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
Granite Gneiss with Garnet
Garnetiferous Gneiss
Gneiss
Gneiss
Orange Quartzite (Tumbled)
Quartzite (SiO2)
Granite Gneiss
Gneiss (High-grade regional metamorphic rock)
Blue Quartz (Aventurine)
Silicon Dioxide (SiO2) with Crocidolite or Magnesio-riebeckite inclusions
Gneiss
Gneiss (High-grade metamorphic rock)
Schist (specifically Chlorite/Greenschist)
Chlorite Schist
Marble
Recrystallized Calcite (CaCO3)
Anthracite Coal
Anthracite (Carbon based fossil fuel)
Pyrite
Iron Disulfide (FeS2)
Quartz (specifically Milky/White Quartz)
Silicon Dioxide (SiO2)
Green Calcite
Calcite (Calcium Carbonate, CaCO3)
Feldspar
KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8