Rhodonite
Rhodonite (Manganese Iron Magnesium Calcium Silicate) - (Mn+2,Fe+2,Mg,Ca)SiO3
Category
Browse metamorphic specimens identified by the Rock Identifier community.
Rhodonite
Rhodonite (Manganese Iron Magnesium Calcium Silicate) - (Mn+2,Fe+2,Mg,Ca)SiO3
Blue Sapphire (in a faceted jewelry setting)
Corundum (Al2O3) with trace Iron and Titanium
Ruby in Zoisite with Hornblende
Anyolite (Ruby: Al2O3, Zoisite: Ca2Al3(SiO4)3(OH))
Muscovite Mica
Muscovite (Potassium Aluminum Silicate) - KAl2(AlSi3O10)(F,OH)2
Quartzite (clastic/metamorphic subtype)
Quartzite (primarily Silicon Dioxide, SiO2)
Muscovite Mica
Muscovite (Potassium Aluminum Silicate Hydroxide Fluoride), KAl2(AlSi3O10)(OH,F)2
Graphite
Graphite (C)
Green Quartz / Aventurine
Silicon Dioxide (SiO2) with inclusions
Nephrite Jade
Tremolite-actinolite series (Ca2(Mg,Fe)5Si8O22(OH)2)
Folded Schist / Gneiss (Metamorphic Rock)
Regional Metaphoric Folded Outcrop (predominantly Schist/Gneiss)
Epidote (Unakite-related)
Epidote (Ca2(Al,Fe)3(SiO4)3(OH))
Epidote
Epidote Group (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
Epidote
Epidote Group (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
Epidosite
Epidosite (predominantly Epidote {Ca2Al2Fe3+Si3O12(OH)} and Quartz {SiO2})
Almandine Garnet
Almandine, Fe3Al2(SiO4)3
Epidote
Epidote - {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Quartz Vein in Pelite (Metamorphic Rock)
Hydrothermal Quartz Veining in Metasedimentary Rock (SiO2)
River Rock (likely Quartzite or Chert)
Quartzite (primarily SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Epidote in Quartz (Unakite-like specimen)
Epidote (Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH)) in Quartz (SiO2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Orange Quartz (Citrine Quartz)
Silicon Dioxide (SiO2)
Granitic Pegmatite
Granitic Pegmatite (principally Quartz, Potassium Feldspar, and Mica)
Kyanite in Quartz
Kyanite (Al2SiO5) with Quartz (SiO2) matrix
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartzite
Quartzite (primarily SiO2)
Milky Quartz (with Chlorite/Mineral Inclusions)
Silicon Dioxide (SiO2)
Schist
Mica Schist
Quartz
Silicon Dioxide (SiO2)
Almandine Garnet
Almandine, Fe3Al2(SiO4)3
Quartz
Silicon dioxide (SiO2)
Muscovite Schist with Quartz
KAl2(AlSi3O10)(OH)2 in Schistose matrix
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky and Smoky variety)
Silicon Dioxide (SiO2)
Soapstone (Talc-Schist)
Steatite (composed primarily of Talc: Mg3Si4O10(OH)2)
Biotite Mica
K(Mg, Fe)3AlSi3O10(F, OH)2
Quartzite
Quartzite (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartzite
Quartzite (SiO2)
Quartz Mica Schist
Mica-Quartz Schist (Chemical: SiO2 + KAl2(AlSi3O10)(OH)2)
Quartzite
Quartzite (SiO2)