Amethyst and Ruby in Zoisite
Silicon Dioxide (SiO2) and Anyolite (Zoisite-Hornblende-Ruby mix)
Category
Browse mineral in metamorphic rock specimens identified by the Rock Identifier community.
Amethyst and Ruby in Zoisite
Silicon Dioxide (SiO2) and Anyolite (Zoisite-Hornblende-Ruby mix)
Raw Emerald in Schist Matrix
Beryl (Be3Al2Si6O18) in Mica Schist
Nephrite Jade
Nephrite
Rhodonite
Rhodonite (MnSiO3)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
Granite with Epidote
Granite, containing quartz, feldspar, and epidote
Quartzite
Metamorphic Rock (Mainly SiO2)
Quartz vein in metamorphic rock
Crystalline Silicon Dioxide (SiO2) in Host Rock
Green Aventurine
Silicon Dioxide (Quartz with Fuchsite inclusions), SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2
Amphibolite
Amphibolite
Garnet (Almandine)
Almandine, Fe3Al2(SiO4)3
Epidote
Epidote ({Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH))
Gneiss
High-grade regional metamorphic rock (Foliated)
Garnet Schist
Almandine Garnet Schist (Fe3Al2(SiO4)3 in Schistose matrix)
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
Dumortierite Quartz (Blue Quartz)
Al7BO3(SiO4)3O3 (Aluminum Boro-silicate included in Quartz)
Almandine Garnet
Almandine (Fe3Al2(SiO4)3)
Garnet-Mica Schist
Garnetiferous Porphyroblastic Schist
Epidote
{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Mica Schist
Mica Schist (primarily Muscovite or Biotite sheet silicates)
Greenschist (Greenstone)
Greenschist (Metamorphic rock containing chlorite, actinolite, and epidote)
Green Aventurine
Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)3Si3O10(OH)2)
Schist
Mica Schist (Medium-grade metamorphic rock)
Garnet (almandine or pyrope variety)
Silicate mineral Group: (Fe, Mg, Mn, Ca)3(Al, Fe, Cr)2(SiO4)3
White Jade (Nephrite)
Nephrite, Ca2(Mg,Fe)5Si8O22(OH)2
Schist
Mica Schist (contains muscovite/biotite and quartz)
Granite (with Almandine Garnet inclusions)
Granite composed primarily of Quartz (SiO2), K-Feldspar (KAlSi3O8), and Almandine Garnet (Fe3Al2(SiO4)3)
Granitic Gneiss
Gneiss (Metamorphic Rock)
Agate (Polished Nodule)
Agate (Silicon Dioxide, SiO2)
Gneiss
Gneiss (Metamorphic rock)
Gneiss
Gneiss (High-grade regional metamorphic rock)
Sandstone or Quartzite
Arenite (if sedimentary) / Quartzite (if metamorphic)
Aventurine
Aventurine Quartz (SiO2 with inclusions)
Foliated Metamorphic Rock (likely Gneiss or Schist)
Gneissic Metamorphic Rock
Hypersthene
Hypersthene ((Mg,Fe)SiO₃)
Fuchsite (Green Muscovite)
K(Al,Cr)2(AlSi3O10)(OH)2
Banded Gneiss
Gneiss (Metamorphic Rock)
Schist
Schist (metamorphic rock)
Banded Gneiss
Gneiss (Metamorphic Rock)
Gneiss (with Mica and Quartz)
Gneissic Metamorphic Rock
Grey River Stone (Gneiss/Schist mix)
Foliated Metamorphic Rock (variable mineral formula)