Lapis Lazuli
Lazurite-rich metamorphic rock
Category
Browse metamorphic mineral specimens identified by the Rock Identifier community.
Lapis Lazuli
Lazurite-rich metamorphic rock
Smoky Quartz
Silicon dioxide (SiO2)
Rutilated Quartz
Quartz (SiO2) with Rutile (TiO2) inclusions
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Red Jade (Dyed Quartzite)
Silicon Dioxide (SiO2) - variety Quartzite
Quartzite Geode or Crystalline Quartz Node
Silicon Dioxide (SiO2)
Mica Schist with Quartz
Muscovite/Biotite Schist
Gneiss
High-grade Metamorphic Gneiss
Rhodonite
Rhodonite (Manganese Iron Magnesium Calcium Silicate - Mn%,Fe%,Mg,Ca)SiO₃
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
Ruby (varieties of Corundum)
Aluminum oxide (Al2O3) with Chromium traces
Rhodonite
Rhodonite (Manganese Iron Magnesium Calcium Silicate)
Orthoclase Feldspar
Potassium Aluminum Silicate (KAlSi3O8)
Citrine Quartz
Silicon Dioxide (SiO2) with ferric iron impurities
Banded Gneiss
Gneiss (typically quartz, feldspar, mica, amphibole composition)
Green Schist
Greenschist (Chlorite Schist)
Slate
Slate (foliated metamorphic rock)
Peacock Ore
Bornite (Cu5FeS4) or Chalcopyrite treated with acid
Peacock Ore (Bornite/Chalcopyrite)
Bornite (Cu5FeS4) or Chalcopyrite (CuFeS2)
Specular Hematite
Hematite (Fe2O3)
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Blue Quartz (potentially Dumortierite-included)
Silicon Dioxide (SiO2) with inclusions
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Gneiss
Foliated Metamorphic Rock
Gneiss (Metamorphic Rock)
Gneiss
Magnetite
Magnetite (Iron(II,III) oxide, Fe3O4)
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Gneiss
Gneiss
Gneiss
Metamorphic Gneiss (High-grade regional metamorphism)
Aventurine (Tan/Cream colored)
Quartz (SiO2) with mineral inclusions
Prehnite
Prehnite (Ca2Al(AlSi3O10)(OH)2)
Aventurine
Silicon Dioxide with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)
Blue Kyanite
Kyanite (Al2SiO5)
Tiger Iron
Tiger Iron (Hematite, Red Jasper, and Tiger's Eye)
Clear Quartz
Silicon Dioxide (SiO2)
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
Corundum (Sapphire variant)
Aluminum Oxide (Al2O3)
Assorted Decorative Tumbled Stones (Quartz, Sodalite, Aventurine, Calcite)
Mixed Silicates and Carbonates (SiO2, Na8(Al6Si6O24)Cl2, CaCO3)
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
Milky Quartz
Quartz / Silicon Dioxide (SiO2)
Garnet
Almandine (Fe3Al2(SiO4)3)