Rock Identifier

Category

Metamorphic Mineral

Browse metamorphic mineral specimens identified by the Rock Identifier community.

Learn about Metamorphic Mineral in the encyclopedia

Metagabbro

Metabasalt

Glauconite

Eulysite

Hutcheonite

Halite

Anthracite

Eltyubyuite

Metaquartzite

Slate

Sperrylite

Paracelsian

Garnet Schist (Garnet-bearing Mica Schist) — metamorphic

Garnet Schist

Garnet-bearing Mica Schist

Muscovite Mica (KAl2(AlSi3O10)(OH)2) — mineral

Muscovite Mica

KAl2(AlSi3O10)(OH)2

Gneiss (Metamorphic Gneiss) — metamorphic

Gneiss

Metamorphic Gneiss

Blue Calcite (Calcium Carbonate (CaCO3)) — mineral

Blue Calcite

Calcium Carbonate (CaCO3)

Biotite Schist (Biotite-rich Schist [K(Mg,Fe)3AlSi3O10(F,OH)2]) — metamorphic

Biotite Schist

Biotite-rich Schist [K(Mg,Fe)3AlSi3O10(F,OH)2]

Almandine Garnet (Almandine (Fe3Al2(SiO4)3)) — mineral

Almandine Garnet

Almandine (Fe3Al2(SiO4)3)

Brown Garnet (Andradite or Almandine Garnet (general formula X3Y2(SiO4)3)) — mineral

Brown Garnet

Andradite or Almandine Garnet (general formula X3Y2(SiO4)3)

Granite with Epidote (Granite, containing quartz, feldspar, and epidote) — Igneous

Granite with Epidote

Granite, containing quartz, feldspar, and epidote

Muscovite Mica (KAl2(AlSi3O10)(OH)2) — mineral

Muscovite Mica

KAl2(AlSi3O10)(OH)2

Rhodonite, Gray Moonstone, and White Feldspar Mix (Multiple: MnSiO3 (Rhodonite), (K,Na)AlSi3O8 (Feldspar/Moonstone)) — mineral

Rhodonite, Gray Moonstone, and White Feldspar Mix

Multiple: MnSiO3 (Rhodonite), (K,Na)AlSi3O8 (Feldspar/Moonstone)

Zoisite with Ruby (Anyolite) (Zoisite – Ca2Al3(SiO4)3(OH) with inclusions of Ruby (Al2O3:Cr)) — metamorphic

Zoisite with Ruby (Anyolite)

Zoisite – Ca2Al3(SiO4)3(OH) with inclusions of Ruby (Al2O3:Cr)

Bornite (Bornite (Cu5FeS4)) — mineral

Bornite

Bornite (Cu5FeS4)

Magnetite (Magnetite (Fe3O4)) — mineral

Magnetite

Magnetite (Fe3O4)

Magnetite (Magnetite (Fe3O4)) — mineral

Magnetite

Magnetite (Fe3O4)

Gneiss or Schist (Gneiss or Mica Schist with Garnet) — Metamorphic

Gneiss or Schist

Gneiss or Mica Schist with Garnet

Rhodonite (Inosilicate (Manganese Iron Magnesium Calcium Silicate, (Mn,Fe,Mg,Ca)SiO3)) — mineral

Rhodonite

Inosilicate (Manganese Iron Magnesium Calcium Silicate, (Mn,Fe,Mg,Ca)SiO3)

Gneiss (with Quartz Vein / Pegmatite Banding) (Metamorphic Gneiss) — metamorphic

Gneiss (with Quartz Vein / Pegmatite Banding)

Metamorphic Gneiss

Amphibolite (Amphibolite, typically composed mainly of hornblende and plagioclase feldspar) — metamorphic

Amphibolite

Amphibolite, typically composed mainly of hornblende and plagioclase feldspar

Prehnite (Prehnite (Ca2Al2Si3O10(OH)2)) — mineral

Prehnite

Prehnite (Ca2Al2Si3O10(OH)2)

Gneiss (Metamorphic Gneiss) — metamorphic

Gneiss

Metamorphic Gneiss

Amphibolite (Amphibolite, composed mainly of amphibole and plagioclase feldspar) — metamorphic

Amphibolite

Amphibolite, composed mainly of amphibole and plagioclase feldspar

Apatite (Ca5(PO4)3(F,Cl,OH)) — mineral

Apatite

Ca5(PO4)3(F,Cl,OH)

Corundum (Corundum (Aluminium oxide, Al2O3)) — mineral

Corundum

Corundum (Aluminium oxide, Al2O3)

Phyllite with Quartz Vein (Metamorphic Phyllite) — metamorphic

Phyllite with Quartz Vein

Metamorphic Phyllite

Rhodonite (Manganese silicate: (Mn,Fe,Mg,Ca)SiO3) — mineral

Rhodonite

Manganese silicate: (Mn,Fe,Mg,Ca)SiO3

Garnet (Almandine-Pyrope group, X3Y2(SiO4)3) — mineral

Garnet

Almandine-Pyrope group, X3Y2(SiO4)3

Rhodonite (Manganese Silicate (Mn,Fe,Mg,Ca)SiO3) — mineral

Rhodonite

Manganese Silicate (Mn,Fe,Mg,Ca)SiO3

Gneiss (Metamorphic Gneiss) — metamorphic

Gneiss

Metamorphic Gneiss

Tumbled milky quartz (Quartz (silicon dioxide, SiO₂)) — mineral

Tumbled milky quartz

Quartz (silicon dioxide, SiO₂)

Black Tourmaline (Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)) — mineral

Black Tourmaline

Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)

Green Aventurine (Silicon dioxide (SiO2) with inclusions of Fuchsite) — mineral

Green Aventurine

Silicon dioxide (SiO2) with inclusions of Fuchsite

Magnetite (Small Granule) (Magnetite (Fe3O4)) — mineral

Magnetite (Small Granule)

Magnetite (Fe3O4)

Garnet in Schist or Pegmatite (Almandine Garnet (Fe3Al2(SiO4)3) in host rock) — metamorphic

Garnet in Schist or Pegmatite

Almandine Garnet (Fe3Al2(SiO4)3) in host rock

Pyrite or Chalcopyrite specimen (Gold-colored mineral coating) (Iron Sulfide (FeS2) / Copper Iron Sulfide (CuFeS2)) — mineral

Pyrite or Chalcopyrite specimen (Gold-colored mineral coating)

Iron Sulfide (FeS2) / Copper Iron Sulfide (CuFeS2)

Rhodonite (Rhodonite (Mn,Fe,Mg,Ca)SiO3) — mineral

Rhodonite

Rhodonite (Mn,Fe,Mg,Ca)SiO3

Rhodonite (Manganese Silicate (Mn,Fe,Mg,Ca)SiO3) — mineral

Rhodonite

Manganese Silicate (Mn,Fe,Mg,Ca)SiO3

Green Aventurine (Silicon Dioxide (SiO2) with Fuchsite inclusions) — mineral

Green Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Gneiss

Gneiss (Metamorphic Rock)

Rhodonite (Manganese silicate (Mn,Fe,Mg,Ca)SiO3) — mineral

Rhodonite

Manganese silicate (Mn,Fe,Mg,Ca)SiO3

Banded Gneiss (Metamorphic Gneiss) — metamorphic

Banded Gneiss

Metamorphic Gneiss

Blue Apatite (Calcium phosphate mineral, Ca5(PO4)3(F,Cl,OH)) — mineral

Blue Apatite

Calcium phosphate mineral, Ca5(PO4)3(F,Cl,OH)

Kyanite (Kyanite (Al2SiO5)) — mineral

Kyanite

Kyanite (Al2SiO5)