Nephrite Jade
Ca2(Mg, Fe)5Si8O22(OH)2 (Tremolite-Actinolite series)
metamorphic
Category
Metamorphic Mineral
Browse metamorphic mineral specimens identified by the Rock Identifier community.
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Tiger's Eye
Silicon Dioxide (SiO2) with iron oxide inclusions
Mineral
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite (River Stone)
Quartzite (composed primarily of Silicon Dioxide, SiO2)
metamorphic
Gneiss
Gneiss
metamorphic
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Smoky Quartz variant)
Silicon Dioxide (SiO2)
mineral
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Beryl (Emerald variety in host rock)
Be3Al2(SiO3)6 (Silicate mineral)
mineral
Banded Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Green Aventurine
Silicon Dioxide (Quartz with Fuchsite inclusions), SiO2
metamorphic
Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Quartz Pebble
Silicon Dioxide (SiO2)
Mineral
Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Banded Gneiss
Gneiss (High-grade regional metamorphic rock)
metamorphic
Orthoclase (Potassium Feldspar)
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Chrysoberyl (Cyclic Twin)
Beryllium Aluminum Oxide (BeAl2O4)
mineral
Green Aventurine
SiO2 (Quartz) with inclusions of Fuchsite
metamorphic
Lapis Lazuli
Complex rock primarily containing Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2
metamorphic
Quartz / Quartzite
Silicon Dioxide (SiO2)
metamorphic
Quartzite (Milky Quartz pebble)
Silicon Dioxide (SiO2)
metamorphic
Green Aventurine (Tumbled Quartz)
Silicon Dioxide (SiO2) with inclusions of Fuchsite (K(Al,Cr)3Si3O10(OH)2)
metamorphic
Blue Sapphire
Corundum (Al2O3)
mineral
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
metamorphic
Schist
Mica Schist (Quartz-Muscovite-Biotite Schist)
metamorphic
Black Tourmaline (Schorl)
Sodium Iron Aluminum Borosilicate (NaFe2+3Al6(Si6O18)(BO3)3(OH)3OH)
mineral
Moonstone (Feldspar variety)
Orthoclase Feldspar (KAlSi3O8)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Pink Tourmaline (Rubellite)
Elbaite (Na(Li,Al)3Al6(BO3)3Si6O18(OH)4)
mineral
Gneiss
Gneiss
metamorphic
Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Dragon Blood Jasper (Lizard Stone/Septarian Chalcedony)
Epidote with Black Hornblende and White Quartz mixture
metamorphic
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Corundum (Pink Sapphire / Ruby)
Al2O3 (Aluminum Oxide)
mineral
Greenschist / Chloritaform Schist
Chlorite Schist (Group of Silicate Minerals)
metamorphic
Feldspathic Gneiss
Feldspathic Gneiss (High-grade regional metamorphic rock)
metamorphic
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Ferruginous Quartz (River Pebble)
Silicon Dioxide (SiO2) with Iron Oxide inclusions
mineral
Green Aventurine
Aventurine Quartz (SiO2 with inclusions)
metamorphic