Garnet
Garnet (X3Y2(SiO4)3)
Category
Browse mineral (metamorphic pseudomorph) specimens identified by the Rock Identifier community.
Garnet
Garnet (X3Y2(SiO4)3)
Almandine Garnet
Almandine, Fe3Al2(SiO4)3
Quartz
Silicon dioxide (SiO2)
Quartz with Epidote
Silicon Dioxide (SiO2) with Calcium Aluminum Iron Silicate [Ca2(Al,Fe)3(SiO4)3(OH)]
Mica Schist
Mica Schist (Composition: Muscovite, Biotite, Quartz, Feldspar)
Almandine Garnet
Almandine (Fe3Al2(SiO4)3)
Quartz Pebble
Silicon Dioxide (SiO2)
Almandine Garnet
Almandine - Fe3Al2(SiO4)3
Aquamarine
Beryl (Be3Al2Si6O18)
Quartz (Iron-stained River Pebble)
Silicon Dioxide (SiO2)
Citrine (Heat-treated or Natural Quartz)
Silicon Dioxide (SiO2)
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Quartz (Tumbled)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Rounded granitic gneiss pebble
Felsic orthogneiss, composed mainly of quartz, feldspar, and mica
Gneiss (Augen Gneiss)
Augen Gneiss
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Serpentinite (likely serpentinized ultramafic rock)
Serpentine-group minerals, chiefly antigorite/lizardite; commonly derived from peridotite
Banded Gneiss
Gneiss
Gneiss
Gneiss (High-grade regional metamorphic rock)
Lapis Lazuli
Lapis Lazuli (Complex silicate rock containing Lazurite: (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
Gneiss (Banded Gneiss)
Gneiss
Greenstone with Quartz Veining
Epidiorite or Metabasalt with SiO2 (Quartz) veins
Greenstone
Metabasalt / Greenstone
Banded gneiss, probably granitic gneiss
Foliated gneiss composed mainly of quartz (SiO₂), feldspar—orthoclase/microcline and plagioclase—and dark mica, commonly biotite K(Mg,Fe)₃AlSi₃O₁₀(F,OH)₂
Jadeite Bangle
NaAlSi2O6 (Jadeite pyroxene mineral aggregate)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Lepidolite
Lepidolite (K(Li,Al)3(Si,Al)4O10(F,OH)2)
Blue Calcite
Calcium Carbonate (CaCO3)
Rutilated Quartz
Rutile in Quartz (SiO2 with TiO2 inclusions)
Smoky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky/Crystal Variety)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Sapphire
Corundum (Al2O3)
Clear Quartz
Silicon Dioxide (SiO2)
Quartz / Clear Quartz
Silicon Dioxide (SiO2)
Quartz River Cobble
Silicon Dioxide (SiO2)
Quartz Crystal (specifically Rock Crystal)
Silicon Dioxide (SiO2)
Peach Moonstone
Potassium Aluminum Silicate (KAlSi3O8)
Milky Quartz
Crystalline Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Blue Apatite
Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)