Clear Quartz (Rock Crystal)
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.
Carnelian
Carnelian (SiO2 with iron oxide impurities)
mineral
Turquoise
CuAl6(PO4)4(OH)8·4H2O (Hydrous Phosphate of Copper and Aluminum)
mineral
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Peridot (Olivine)
Olivine, (Mg,Fe)2SiO4
Mineral
Spessartine Garnet in Quartz/Feldspar Pegmatite
Spessartine (Mn3Al2(SiO4)3) in Quartz (SiO2) and Feldspar
Mineral in Igneous Rock
Honey Calcite Geode Segment
Calcite (Calcium Carbonate, CaCO3)
mineral
Muscovite Mica
Muscovite - KAl2(AlSi3O10)(OH)2
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Peridot
Olivine ((Mg,Fe)2SiO4)
Mineral
Greenstone / Greenschist
Chlorite schist / Meta-basalt
metamorphic
Gneiss (High-grade Metamorphic Rock)
Gneiss (Metamorphic silicate rock)
metamorphic
Sandstone
Arenite (SiO2 primarily)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite mica
mineral
Greenstone or Chlorite Schist
Greenschist / Chlorite schist
metamorphic
Greenstone / Greenschist
Greenschist (composed of chlorite, epidote, and actinolite)
metamorphic
Quartz Pebble (with probable Iron staining)
Silicon Dioxide (SiO2)
mineral
Greenschist
Greenschist (Major minerals include Chlorite, Actinolite, and Epidote)
metamorphic
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Greenschist
Greenschist (chlorite-epidote schist)
metamorphic
Quartzite (Nodule)
Quartzite (SiO2)
metamorphic
Rose Quartz
Quartz (SiO2) with trace elements of titanium, iron, or manganese
mineral
Vesicular Basalt
Basalt (principally Plagioclase and Pyroxene)
igneous
Quartz crystal with Pyrite inclusions
Silicon Dioxide (SiO2) with Iron Sulfide (FeS2)
mineral
Schorl (Black Tourmaline)
NaFe3Al6(BO3)3Si6O18(OH)4 (Sodium Iron Aluminum Borosilicate)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Basalt
Basalt (Extrusive Igneous Rock)
igneous
Granite / Gneiss Complex
Felsic Plutonic Rock (Granite) or High-grade Metamorphic Rock (Gneiss)
igneous/metamorphic
Greenstone
Greenschist (metamorphosed mafic igneous rock)
metamorphic
Sandstone
Arenite (SiO2 based)
sedimentary
Peacock Ore (Chalcopyrite/Bornite)
Bornite (Cu5FeS4) or iridescent treated Chalcopyrite (CuFeS2)
Mineral
Nephrite Jade (or Serpentine)
Nephrite (a variety of amphibole mineral tremolite-actinolite) or Serpentine Group minerals
Mineral/Rock
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Garnet in Matrix (Schist or Quartz)
Almandine Garnet, Fe3Al2(SiO4)3
metamorphic
Sodalite
Na8(Al6Si6O24)Cl2 (Sodium Aluminum Silicate Chloride)
mineral
Vesicular Basalt
Basalt (with vesicular texture)
igneous
Hematite
Iron (III) Oxide (Fe2O3)
mineral
Lazulite
Lazulite (MgAl2(PO4)2(OH)2)
mineral