Mica Schist
Mica Schist (Quartz-Mica Metamorphic Rock)
metamorphic
Category
Metamorphic And Mineral
Browse metamorphic and mineral specimens identified by the Rock Identifier community.
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Garnet in Matrix
Almandine Garnet (Fe3Al2(SiO4)3)
metamorphic
Gneiss
Metamorphic Gneiss
metamorphic
Quartzite with Epidote/Chlorite Inclusion
Metamorphic Quartzite (SiO2 with accessory silicate minerals)
metamorphic
Jade (likely Jadeite)
Jadeite (a pyroxene mineral) or Nephrite (a variety of amphibole mineral)
Mineral
Pyrite in Matrix
Iron Sulfide (FeS2)
mineral
Green Aventurine
Silicon Dioxide with Fuchsite (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
metamorphic
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with iron inclusions)
metamorphic
Blue Dumortierite Quartz
Dumortierite Inclusions in Quartz (SiO2 with Al7(BO3)(SiO4)3O3)
mineral
Clear Quartz
SiO2 (Silicon Dioxide)
gemstone
Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Banded Gneiss
Metamorphic Gneiss
metamorphic
Quartz with Iron Stains
Quartz (SiO2) with iron oxide/hydroxide staining
Mineral
Schist
Mica Schist
metamorphic
Kyanite
Kyanite (Al2SiO5)
Mineral
Gneiss
Metamorphic Gneiss
metamorphic
Green Aventurine
Quartz (SiO2) with fuchsite inclusions
mineral
Biotite on Quartz
Biotite (K(Mg,Fe)3AlSi3O10(F,OH)2) and Quartz (SiO2)
mineral
Milky quartz crystal cluster
Quartz (silicon dioxide, SiO₂)
mineral
Blue gemstone, likely iolite or blue sapphire
Iolite (cordierite, Mg₂Al₄Si₅O₁₈) or corundum (sapphire, Al₂O₃)
gemstone
Aventurine (Green Quartz)
Silicon dioxide with inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
mineral
Epidote in Matrix
Epidote; Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Garnet (likely Almandine or Pyrope)
Garnet (Group Name), Fe3Al2(SiO4)3 or Mg3Al2(SiO4)3
mineral
Blue Apatite
Apatite (Ca5(PO4)3(F,Cl,OH))
mineral
Granitic Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Galena
Lead Sulfide (PbS)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Graphite
Graphite (C)
mineral
Magnetite (Charnockite Regional Variation)
Magnetite (Fe3O4)
mineral
Garnet in Matrix
Almandine or Pyrope Garnet (X3Y2(SiO4)3) in Schist or Eclogite matrix
metamorphic
Epidote
Epidote Group (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
metamorphic
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Rhodonite
Manganese silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Biotite or Phlogopite Mica
K(Mg,Fe)3(AlSi3O10)(F,OH)2
mineral
Moonstone (Feldspar)
Orthoclase or Oligoclase (KAlSi3O8)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Orthoclase Feldspar
Potassium aluminum silicate (KAlSi3O8)
mineral
Sunstone / Peach Moonstone (Feldspar variety)
Potassium Aluminum Silicate (KAlSi3O8)
mineral
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Gneiss (Banded Gneiss Cobble)
Gneiss
metamorphic
Prehnite
Prehnite (Ca2Al(AlSi3O10)(OH)2)
mineral
Schist
Schist (Metamorphic Rock)
metamorphic