Lapis Lazuli (Low Grade)
Lazurite-rich metamorphic rock ((Na,Ca)8(AlSiO4)6(SO4,S,Cl,OH)2)
metamorphic
Category
Metamorphic Mineral
Browse metamorphic mineral specimens identified by the Rock Identifier community.
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Blue Quartzite (Aventurine)
Quartzite (primarily SiO2) with inclusions of Dumortierite or Magnesio-riebeckite
metamorphic
Nephrite Jade
Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)
metamorphic
Lapis Lazuli
Lapis Lazuli (Complex aggregate containing Lazurite (Na,Ca)8(AlSiO4)6(SO4,S,Cl)2)
metamorphic
Green Aventurine
Silicon dioxide (SiO2) with Fuchsite inclusions
mineral
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Quartz on Host Rock
Silicon Dioxide (SiO2)
mineral
Lapis Lazuli
Lapis Lazuli (A complex rock primarily composed of Lazurite: (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
metamorphic
Schorl (Black Tourmaline)
NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
mineral
Ruby in Quartz with Tourmaline
Corundum (Al2O3) in Silicon Dioxide (SiO2) with Schorl
metamorphic
Almandine Garnet in Matrix
Almandine, Fe3Al2(SiO4)3
metamorphic
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Fragment
Silicon Dioxide (SiO2)
mineral
Citrine
Silicon Dioxide (SiO₂)
mineral
Quartzite Pebble
Quartzite (primarily SiO2)
metamorphic
Garnet Schist
Almandine-Garnet Schist
metamorphic
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Schist
Mica Schist
metamorphic
Quartz (Milky to Clear)
Silicon Dioxide (SiO2)
mineral
Quartz (possibly Citrine or Smoky Quartz variety)
Silicon Dioxide (SiO2)
mineral
Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
mineral
Gneiss
High-grade Metamorphic Gneiss
metamorphic
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Grey Agate
Silicon Dioxide (SiO2) - variety: Agate/Chalcedony
mineral
Smoky Quartz
Quartz (Silicon Dioxide), Formula: SiO2
mineral
Mixed Polished Gemstones (Tumbled Stones)
Mixed Silicates and Oxides (SiO2, KAlSi3O8, Ca2Al2Be3Si6O22, etc.)
mineral
Red Aventurine
SiO2 (Silicon Dioxide with Hematite/Goethite inclusions)
mineral
Quartz Crystal Fragment
Quartz (Silicon Dioxide, SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Vein / Milky Quartz
Silicon Dioxide (SiO2)
mineral
Peach Moonstone Sphere
Potassium Aluminum Silicate (KAlSi3O8)
mineral
Quartz (Milky or Clear fragment)
Silicon Dioxide (SiO2)
mineral
Garnet
Garnet Group (Silicate mineral); general formula X3Y2(SiO4)3
Mineral
Quartz (Milky/Crystalline fragment)
Silicon Dioxide (SiO2)
mineral
Greenstone (metamorphosed basalt)
Greenschist / Meta-basalt
metamorphic
Rhodonite
Rhodonite (Manganese Silicate), (Mn,Fe,Mg,Ca)SiO3
mineral
Rutilated Quartz
Rutile in Quartz (SiO2 with TiO2 inclusions)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Crystal Variety)
Silicon Dioxide (SiO2)
mineral
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
mineral
Epidosite (Epidote-rich rock)
Epidosite (consisting primarily of Epidote: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH))
metamorphic