Clear Quartz
Silicon Dioxide (SiO2)
mineral
Category
Mineral, Often Found In Metamorphic Rocks But Also In Sedimentary And Igneous Rocks
Browse mineral, often found in metamorphic rocks but also in sedimentary and igneous rocks specimens identified by the Rock Identifier community.
Quartz (Clear Quartz)
Silicon Dioxide (SiO2)
mineral
Rhyolite
Rhyolite (Extrusive Igneous Rock)
igneous
Garnet in Host Rock
Garnet Group (A3B2(SiO4)3)
metamorphic
Muscovite Mica (Granitic Pegmatite)
Muscovite - KAl2(AlSi3O10)(OH)2
mineral
Moonstone
Orthoclase/Albite (KAlSi3O8 / NaAlSi3O8) with Adularescence
mineral
Quartz (Milky/Yellowish)
Silicon Dioxide (SiO2)
mineral
Blue Calcite
Calcite (CaCO3)
mineral
Clear Quartz Point
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Greenstone
Chlorite schist or metabasalt depending on specific composition
Metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Banded Gneiss
Gneiss (typically quartz, feldspar, mica, amphibole composition)
metamorphic
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Smoky Quartz (Silicon Dioxide, SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Gneiss
Gneiss (high-grade metamorphic rock typically composed of quartz, feldspar, and mica)
metamorphic
Quartz (Iron-stained or Ferruginous)
Silicon Dioxide (SiO2)
mineral
Blue Chalcedony
Silicon Dioxide (SiO2)
mineral
Banded Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite (mica)
Mineral (variety of Quartz)
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Pink Granite
Phaneritic Plutonic Felsic Igneous Rock (Granite)
igneous
Pyrite
Pyrite (Iron sulfide, FeS₂)
Mineral
Granite Gneiss
Gneiss (derived from granitic protolith)
metamorphic
Sandstone
Arenite (primarily SiO2)
sedimentary
Pyrite (Fool's Gold) Cube
Iron Sulfide (FeS2)
mineral
Amazonite
Potassium Feldspar (KAlSi3O8)
mineral
White Calcite
Calcium Carbonate (CaCO3)
mineral
Amethyst
Silicon Dioxide with Iron impurities (SiO2)
mineral
Banded Gneiss
Gneiss (High-grade regional metamorphic rock)
metamorphic
White Chalcedony (Agate)
Silicon Dioxide (SiO2)
mineral
Clear Quartz Crystal Cluster
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Gneiss (specifically Biotite Gneiss)
Gneiss (high-grade metamorphic rock primarily composed of Silicates)
metamorphic
Jasper
Silicon dioxide (SiO2)
Mineral
Smoky Quartz
Crystalline Silicon Dioxide (SiO2)
mineral
Lapis Lazuli
Complex metamorphic rock containing Lazurite ((Na,Ca)8(AlSiO4)6(SO4,S,Cl)2), Calcite, and Pyrite
metamorphic
White Moonstone (Feldspar)
Potassium aluminum silicate (KAlSi3O8)
mineral
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Quartz (various varieties)
SiO₂ (Silicon Dioxide)
Mineral
Chalcedony (Grey/White Agate)
Silicon Dioxide (SiO₂)
mineral