Quartz
Quartz (SiO₂)
Mineral
Category
Mineral (Found In Igneous And Metamorphic Rocks)
Browse mineral (found in igneous and metamorphic rocks) specimens identified by the Rock Identifier community.
Learn about Mineral (Found In Igneous And Metamorphic Rocks) in the encyclopedia
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Greenschist
Chlorite schist
metamorphic
Nuummite
Antophyllite-Gedrite (Orthorhombic amphiboles)
metamorphic
Dyed Agate
Silicon Dioxide with artificial pigment (SiO2)
sedimentary
Native Gold
Native Gold (Au)
mineral
Gneiss
Gneiss
metamorphic
Muscovite Mica
Muscovite - KAl2(AlSi3O10)(OH)2
mineral
Quartz pebble (Iron-stained Quartz)
Silicon Dioxide (SiO2)
mineral
Yellow Agate
Agate (Varietal form of Chalcedony/Quartz, SiO2)
mineral
Quartz (Milky or Yellowish)
Silicon Dioxide (SiO2)
mineral
Schist
Mica Schist (Variable chemistry, often rich in muscovite and biotite)
metamorphic
Pyrite
Iron Disulfide (FeS2)
mineral
Quartz in Matrix
Silicon Dioxide (SiO2)
mineral
Schorl (Black Tourmaline)
NaFe3Al6Si6O18(BO3)3(OH)3OH (Iron tourmaline)
mineral
Ferruginous Quartz
Silicon Dioxide (SiO2) with Iron Oxide inclusions
mineral
Greenstone with Epidote or Quartz Vein
Epidiorite or Metabasalt (composed largely of Chlorite, Epidote, and Amphibole)
metamorphic
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Citrine Quartz
Crystalline Quartz (SiO2 with iron impurities)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
mineral
Banded Gneiss
Gneiss (Metamorphic rock composed of feldspar, quartz, and mica)
metamorphic
Quartz
Silicon Dioxide (SiO2)
mineral
Ruby and Diamond Heart Pendant
Corundum (Al2O3) and Diamond (C)
mineral
Chalcopyrite
Chalcopyrite (CuFeS2)
mineral
Amethyst (Faceted)
Silicon Dioxide with iron impurities (SiO2)
gemstone
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Ruby and Sapphire Cluster Ring
Corundum (Al2O3)
gemstone
Chalcopyrite (Peacock Ore)
Chalcopyrite (CuFeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Smoky Quartz
Smoky Quartz (Silicon Dioxide, SiO2)
mineral
Gneiss (Metamorphic Pebble)
Gneissic Metamorphic Rock
metamorphic
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Amethyst
Quartz (SiO2) with iron impurities
mineral
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Green Aventurine
Quartz (SiO2) with Fuchsite inclusions
Mineral
Gneiss
Gneiss
metamorphic
Gneiss with Quartz/Feldspar Vein
Quartz-Feldspathic Gneiss
metamorphic
Clear Quartz Crystal
Quartz (Silicon Dioxide - SiO2)
mineral
Rough Gemstone Grains (Mixed Sapphires and Quartz)
Corundum (Al2O3) and Quartz (SiO2)
mineral
Quartz / Calcite Vein Rock
Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3)
mineral