Ruby (faceted gemstone)
Corundum (Al2O3 with Cr impurities)
Category
Browse metamorphic specimens identified by the Rock Identifier community.
Ruby (faceted gemstone)
Corundum (Al2O3 with Cr impurities)
Blue Kyanite
Kyanite (Al2SiO5)
Labradorite
(Na, Ca)(Si, Al)4O8
Nephrite Jade
Ca2(Mg, Fe)5Si8O22(OH)2
Sodalite
Sodalite, Na8(Al6Si6O24)Cl2
Rhodonite
Rhodonite (MnSiO3)
Gneiss (Metamorphic Rock)
Gneiss
Gneiss (Metamorphic Rock)
Gneiss
Muscovite Mica
Muscovite [KAl2(AlSi3O10)(OH)2]
Rhodonite
Manganese Inosilicate (Mn,Fe,Mg,Ca)SiO3
Ruby in Zoisite
Anyolite (composite of Corundum and Zoisite)
Fuchsite
Chrome-bearing Muscovite [K(Al,Cr)2(AlSi3O10)(OH)2]
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
Garnet (Almandine)
Almandine, Fe3Al2Si3O12
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
Nephrite Jade
Ca2(Mg,Fe)5Si8O22(OH)2
Epidote
Epidote (Ca2(Al,Fe)3(SiO4)3(OH))
Epidote and Quartz in Basalt
Epidote [Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)] in Metabasalt
Greenschist
Chlorite schist
Gneiss (Augen Gneiss)
Augen Gneiss
Tiger Iron
Tiger Iron (Hematite, Red Jasper, and Tiger's Eye)
Garnetiferous Pegmatite
Pegmatite with Almandine Garnet and Muscovite
Mica Schist with Garnet inclusions
Mica Schist (primarily Muscovite and Biotite - KAl2(AlSi3O10)(OH)2)
Greenschist
Greenschist facies metamorphic rock
Garnet Schist
Almandine-Mica Schist
Greenschist
Chlorite schist
Travertine
Terrestrial Sedimentary Limestone (CaCO3)
Greenschist (Greenstone)
Chlorite Schist / Greenschist Facies Rock
Amphibolite
Amphibolite (rich in amphibole and plagioclase feldspar)
Greenschist (Greenstone River Pebble)
Greenschist (Chlorite Schist)
Greenschist
Greenschist (Actinolite-Chlorite Schist)
Jadeite Jade
NaAlSi2O6
Natural Gemstone Cabochons (Ruby, Moonstone, Emerald, Citrine)
Ruby (Al2O3:Cr), Moonstone (KAlSi3O8), Emerald (Be3Al2(SiO3)6:Cr), Citrine (SiO2)
Almandine Garnet in Schist
Almandine, Fe3Al2(SiO4)3
Schist with Quartz Veins
Schist with Quartz (SiO2)
Schist
Schist
Milky Quartz
Silicon Dioxide (SiO2)
Amazonite
Microcline (K(AlSi3O8))
Rhodochrosite
Rhodochrosite, Manganese Carbonate (MnCO3)
Quartz pebble / River stone
SiO2 (Silicon Dioxide)
Pyrite in Matrix (Fool's Gold)
Iron Sulfide (FeS2)
Granitoid Gneiss with Feldspar Vein
Gneiss (High-grade Metamorphic Rock) with Potassium Feldspar (KAlSi3O8)