Rock Identifier

Category

Mineral (Metamorphic Pseudomorph)

Browse mineral (metamorphic pseudomorph) specimens identified by the Rock Identifier community.

Learn about Mineral (Metamorphic Pseudomorph) in the encyclopedia

Metabasalt

Eltyubyuite

Metagabbro

Calc-Silicate Rock

Calc-Silicate Rock

Paracelsian

Kokchetavite

Celsian

Gneiss

Schist

Serpentinite

Calc-schist

Granulite

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

Rhodonite

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

Biotite or Phlogopite Mica (K(Mg,Fe)3(AlSi3O10)(F,OH)2) — mineral

Biotite or Phlogopite Mica

K(Mg,Fe)3(AlSi3O10)(F,OH)2

Green Aventurine (SiO2) — mineral

Green Aventurine

SiO2

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

Blue Apatite

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

Schist with Biotite and Quartz (Biotite-Quartz Schist (Fe,Mg,Al silicate mix)) — metamorphic

Schist with Biotite and Quartz

Biotite-Quartz Schist (Fe,Mg,Al silicate mix)

Greenstone with Epidote or Quartz veins (Metabasalt (Greenstone facies)) — metamorphic

Greenstone with Epidote or Quartz veins

Metabasalt (Greenstone facies)

Pink Rhodonite (Manganese Silicate (MnSiO3)) — mineral

Pink Rhodonite

Manganese Silicate (MnSiO3)

White marble (likely calcitic marble) (Calcite-rich marble; primarily calcium carbonate, CaCO₃) — metamorphic

White marble (likely calcitic marble)

Calcite-rich marble; primarily calcium carbonate, CaCO₃

Peacock Ore (Bornite (Cu5FeS4) with surface tarnish) — mineral

Peacock Ore

Bornite (Cu5FeS4) with surface tarnish

Moonstone (Feldspar) (Orthoclase or Oligoclase (KAlSi3O8)) — mineral

Moonstone (Feldspar)

Orthoclase or Oligoclase (KAlSi3O8)

Pyrite (Fool's Gold) (Iron Sulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

Black Spinel (Magnesium Aluminum Oxide (MgAl2O4)) — mineral

Black Spinel

Magnesium Aluminum Oxide (MgAl2O4)

Magnetite (Lodestone) (Magnetite (Fe3O4)) — mineral

Magnetite (Lodestone)

Magnetite (Fe3O4)

Rhodonite (Rhodonite (MnSiO3)) — mineral

Rhodonite

Rhodonite (MnSiO3)

Greenstone (Metamorphic Greenstone (Greenschist facies)) — metamorphic

Greenstone

Metamorphic Greenstone (Greenschist facies)

Greenschist (Chlorite schist) — metamorphic

Greenschist

Chlorite schist

Greenschist (Greenschist (containing Chlorite, Epidote, and Actinolite)) — metamorphic

Greenschist

Greenschist (containing Chlorite, Epidote, and Actinolite)

Ruby (Corundum) (Aluminum oxide (Al2O3) with Chromium traces) — mineral

Ruby (Corundum)

Aluminum oxide (Al2O3) with Chromium traces

Magnetite (Iron Ore) (Magnetite (Fe3O4)) — mineral

Magnetite (Iron Ore)

Magnetite (Fe3O4)

Quartz with Schist Matrix (Crystalline Silicon Dioxide (SiO2) in micaceous schist) — metamorphic

Quartz with Schist Matrix

Crystalline Silicon Dioxide (SiO2) in micaceous schist

Eclogite (Eclogite (Omphacite + Pyrope)) — metamorphic

Eclogite

Eclogite (Omphacite + Pyrope)

Granitic Pegmatite (Granitic Pegmatite (principally Quartz, Potassium Feldspar, and Mica)) — igneous

Granitic Pegmatite

Granitic Pegmatite (principally Quartz, Potassium Feldspar, and Mica)

Banded gneiss pebble (Gneiss, typically quartz–feldspar–mica assemblage) — metamorphic

Banded gneiss pebble

Gneiss, typically quartz–feldspar–mica assemblage

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Garnet (Almandine-Pyrope) (Almandine-Pyrope Mg3Al2(SiO4)3 to Fe3Al2(SiO4)3) — mineral

Garnet (Almandine-Pyrope)

Almandine-Pyrope Mg3Al2(SiO4)3 to Fe3Al2(SiO4)3

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

Rhodonite

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

Serafina (Serafinite / Clinochlore) (Clinochlore (Mg5Al)(AlSi3O10)(OH)8) — mineral

Serafina (Serafinite / Clinochlore)

Clinochlore (Mg5Al)(AlSi3O10)(OH)8

Orthoclase Feldspar (KAlSi3O8 (Potassium Aluminum Silicate)) — mineral

Orthoclase Feldspar

KAlSi3O8 (Potassium Aluminum Silicate)

Hypersthene (or Enstatite/Ferrosilite) (Orthopyroxene series (Mg,Fe)SiO3 - specifically, historically hypersthene (intermediate member) now referred to as Enstatite (Mg-rich) or Ferrosilite (Fe-rich)) — Mineral

Hypersthene (or Enstatite/Ferrosilite)

Orthopyroxene series (Mg,Fe)SiO3 - specifically, historically hypersthene (intermediate member) now referred to as Enstatite (Mg-rich) or Ferrosilite (Fe-rich)

Black Sand (Magnetite Sand) (Magnetite (Fe3O4)) — mineral

Black Sand (Magnetite Sand)

Magnetite (Fe3O4)

Quartz Vein in Greenstone (Hydrothermal Quartz (SiO2) with Chlorite/Epidote Schist host rock) — metamorphic

Quartz Vein in Greenstone

Hydrothermal Quartz (SiO2) with Chlorite/Epidote Schist host rock

Epidote (Epidote (Ca2(Al,Fe)3(SiO4)3(OH))) — mineral

Epidote

Epidote (Ca2(Al,Fe)3(SiO4)3(OH))

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

Garnet (Almandine variety)

Almandine Garnet (Fe3Al2(SiO4)3)

Bornite (Peacock Ore) (Bornite (Cu5FeS4)) — mineral

Bornite (Peacock Ore)

Bornite (Cu5FeS4)

Unakite Epidote-Granite (Unakite (Epidotized Granite)) — metamorphic

Unakite Epidote-Granite

Unakite (Epidotized Granite)

Kyanite in Quartz (Kyanite (Al2SiO5) with Quartz (SiO2)) — metamorphic

Kyanite in Quartz

Kyanite (Al2SiO5) with Quartz (SiO2)

Fuchsite (Fuchsite (a variety of Muscovite mica, K(Al,Cr)2(AlSi3O10)(OH)2)) — mineral

Fuchsite

Fuchsite (a variety of Muscovite mica, K(Al,Cr)2(AlSi3O10)(OH)2)

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Likely dark green-gray metamorphic pebble (Indeterminate; possibly chlorite schist, serpentinite, or amphibolite) — metamorphic

Likely dark green-gray metamorphic pebble

Indeterminate; possibly chlorite schist, serpentinite, or amphibolite

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

Rhodonite

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

Schist (Schist (various mineralogical compositions including mica, chlorite, talc, etc.)) — Metamorphic

Schist

Schist (various mineralogical compositions including mica, chlorite, talc, etc.)

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

Prehnite

Prehnite, Ca2Al2Si3O10(OH)2