Rock Identifier

Category

Metamorphic And Mineral

Browse metamorphic and mineral specimens identified by the Rock Identifier community.

Learn about Metamorphic And Mineral in the encyclopedia

Metabasalt

Glauconite

Eulysite

Hutcheonite

Halite

Anthracite

Eltyubyuite

Metaquartzite

Metagabbro

Slate

Sperrylite

Paracelsian

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

Ruby (Corundum)

Aluminum oxide (Al2O3) with Chromium traces

Quartzite with Mica / Gneiss Pebble (Metamorphic Rock (Quartz-Feldspar-Mica aggregate)) — metamorphic

Quartzite with Mica / Gneiss Pebble

Metamorphic Rock (Quartz-Feldspar-Mica aggregate)

Pink Garnet in Matrix (Grossular or Almandine Garnet (X3Y2(SiO4)3)) — metamorphic

Pink Garnet in Matrix

Grossular or Almandine Garnet (X3Y2(SiO4)3)

Apatite (Calcium phosphate fluoride/chloride, Ca5(PO4)3(F,Cl,OH)) — mineral

Apatite

Calcium phosphate fluoride/chloride, Ca5(PO4)3(F,Cl,OH)

Fuchsite (Chromian Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)) — mineral

Fuchsite

Chromian Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)

Schist (Schist) — Metamorphic

Schist

Schist

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

Garnet

Almandine Garnet (Fe3Al2(SiO4)3)

Green Aventurine (SiO2) — mineral

Green Aventurine

SiO2

Gneiss (Gneiss (Foliated Metamorphic Rock)) — metamorphic

Gneiss

Gneiss (Foliated Metamorphic Rock)

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

Rhodonite

Rhodonite (Mn, Fe, Mg, Ca)SiO3

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

Black Spinel

Magnesium Aluminum Oxide (MgAl2O4)

Epidosite (Unakite-related) (Epidosite (composed primarily of Epidote and Quartz)) — metamorphic

Epidosite (Unakite-related)

Epidosite (composed primarily of Epidote and Quartz)

Tumbled green aventurine (probable) (Quartz, SiO₂, with fuchsite or other green mica inclusions) — mineral

Tumbled green aventurine (probable)

Quartz, SiO₂, with fuchsite or other green mica inclusions

Banded Gneiss Pebble (Gneiss (Metamorphic Rock)) — metamorphic

Banded Gneiss Pebble

Gneiss (Metamorphic Rock)

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

Rough Garnet (Almandine)

Almandine Garnet (Fe3Al2(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

Greenschist (Greenschist (Chlorite-actinolite schist)) — metamorphic

Greenschist

Greenschist (Chlorite-actinolite schist)

Garnet-Mica Schist (Garnetiferous Porphyroblastic Schist) — metamorphic

Garnet-Mica Schist

Garnetiferous Porphyroblastic Schist

Garnet-bearing amphibolite or mafic gneiss (Amphibolite dominated by hornblende, plagioclase, biotite, and almandine–pyrope garnet) — metamorphic

Garnet-bearing amphibolite or mafic gneiss

Amphibolite dominated by hornblende, plagioclase, biotite, and almandine–pyrope garnet

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

Bornite (Peacock Ore)

Bornite (Cu5FeS4)

Schist (Schist (Foliated Metamorphic Rock)) — metamorphic

Schist

Schist (Foliated Metamorphic Rock)

Bornite (Bornite (Cu5FeS4)) — mineral

Bornite

Bornite (Cu5FeS4)

Blue Apatite (Fluorapatite (Ca5(PO4)3F)) — mineral

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Milky quartz (Quartz (silicon dioxide, SiO₂)) — mineral

Milky quartz

Quartz (silicon dioxide, SiO₂)

Slate (Slate; fine-grained foliated metamorphic rock, chiefly quartz, mica, and clay minerals) — metamorphic

Slate

Slate; fine-grained foliated metamorphic rock, chiefly quartz, mica, and clay minerals

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

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

Almandine Garnet

Almandine, Fe3Al2(SiO4)3

Green Gneiss (Metamorphic Gneiss) — metamorphic

Green Gneiss

Metamorphic Gneiss

Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2) — mineral

Fuchsite

K(Al,Cr)2(AlSi3O10)(OH)2

Gneiss (Metamorphic Foliated Gneiss) — metamorphic

Gneiss

Metamorphic Foliated Gneiss

Likely weathered quartz-rich rock, possibly granite or gneiss (Granite–gneiss assemblage; chiefly quartz, feldspar, and dark mica/amphibole) — igneous

Likely weathered quartz-rich rock, possibly granite or gneiss

Granite–gneiss assemblage; chiefly quartz, feldspar, and dark mica/amphibole

Quartz with Inclusions (Silicon Dioxide (SiO2)) — mineral

Quartz with Inclusions

Silicon Dioxide (SiO2)

Green Aventurine (Silicon Dioxide (Quartz) with Fuchsite inclusions (K(Al,Cr)2(AlSi3O10)(OH)2)) — metamorphic

Green Aventurine

Silicon Dioxide (Quartz) with Fuchsite inclusions (K(Al,Cr)2(AlSi3O10)(OH)2)

Rhodonite (Rhodonite (Manganese Silicate), chemical formula: (Mn,Fe,Mg,Ca)SiO3) — Mineral

Rhodonite

Rhodonite (Manganese Silicate), chemical formula: (Mn,Fe,Mg,Ca)SiO3

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

Green Aventurine

SiO2 (Silicon Dioxide with Fuchsite inclusions)

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

Magnetite-rich Iron Ore

Magnetite (Fe3O4)

Garnet (Almandine/Pyrope series) (Silicate mineral (Almandine: Fe3Al2Si3O12; Pyrope: Mg3Al2Si3O12)) — mineral

Garnet (Almandine/Pyrope series)

Silicate mineral (Almandine: Fe3Al2Si3O12; Pyrope: Mg3Al2Si3O12)

Small quartz-rich mineral fragment (Quartz (SiO₂), possibly milky or chalcedonic quartz) — mineral

Small quartz-rich mineral fragment

Quartz (SiO₂), possibly milky or chalcedonic quartz

Gneiss (Metamorphic Gneiss) — metamorphic

Gneiss

Metamorphic Gneiss

Gneiss (Metamorphic Gneiss) — metamorphic

Gneiss

Metamorphic Gneiss

Foliated Metamorphic Rock (likely Gneiss or Schist) (Gneissic Metamorphic Rock) — metamorphic

Foliated Metamorphic Rock (likely Gneiss or Schist)

Gneissic Metamorphic Rock