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

Peacock Ore (Chalcopyrite/Bornite) (Bornite (Cu5FeS4) or iridescent treated Chalcopyrite (CuFeS2)) — Mineral

Peacock Ore (Chalcopyrite/Bornite)

Bornite (Cu5FeS4) or iridescent treated Chalcopyrite (CuFeS2)

Nuummite (Nuummite (Orthorhombic amphiboles: Anthophyllite and Gedrite)) — metamorphic

Nuummite

Nuummite (Orthorhombic amphiboles: Anthophyllite and Gedrite)

Mica Schist with Quartz and Muscovite (Muscovite-Quartz Schist) — metamorphic

Mica Schist with Quartz and Muscovite

Muscovite-Quartz Schist

Schist (Schist (variety likely Mica Schist)) — metamorphic

Schist

Schist (variety likely Mica Schist)

Biotite-rich schist (mica schist) (Mica schist; predominantly biotite mica, quartz, and feldspar) — metamorphic

Biotite-rich schist (mica schist)

Mica schist; predominantly biotite mica, quartz, and feldspar

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

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

Orthoclase Feldspar

KAlSi3O8 (Potassium Aluminum Silicate)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

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

Gneiss (Metamorphic Pebble)

Gneissic Metamorphic Rock

Micaceous Rock (likely Muscovite Schist/Gneiss or a Muscovite-rich Specimen) (Predominantly Muscovite (KAl2(AlSi3O10)(F,OH)2), often found in rocks like Muscovite Schist or Muscovite Gneiss.) — Metamorphic, Mineral (within a rock type)

Micaceous Rock (likely Muscovite Schist/Gneiss or a Muscovite-rich Specimen)

Predominantly Muscovite (KAl2(AlSi3O10)(F,OH)2), often found in rocks like Muscovite Schist or Muscovite Gneiss.

Metamorphic, Mineral (within a rock type)

Inukshuk Rock Sculpture (composed of Granite, Slate, and Amethyst) (Silicon Dioxide (Amethyst portion, SiO2) with mixed silicate rock assemblage) — mineral

Inukshuk Rock Sculpture (composed of Granite, Slate, and Amethyst)

Silicon Dioxide (Amethyst portion, SiO2) with mixed silicate rock assemblage

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Banded Gneiss (Gneiss) — metamorphic

Banded Gneiss

Gneiss

Garnet Schist (Almandine Garnet in Schist (X3Al2(SiO4)3)) — metamorphic

Garnet Schist

Almandine Garnet in Schist (X3Al2(SiO4)3)

Jade Ring (Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2) or Jadeite (NaAlSi2O6)) — gemstone

Jade Ring

Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2) or Jadeite (NaAlSi2O6)

Quartz-rich pegmatite (likely granite/pegmatite boulder) (Coarse-grained felsic igneous rock, chiefly quartz (SiO₂), feldspar, and minor mica; exact identification requires testing) — igneous

Quartz-rich pegmatite (likely granite/pegmatite boulder)

Coarse-grained felsic igneous rock, chiefly quartz (SiO₂), feldspar, and minor mica; exact identification requires testing

Jadeite (Jadeite, NaAlSi2O6) — gemstone

Jadeite

Jadeite, NaAlSi2O6

Orthoclase Feldspar (Orthoclase (KAlSi3O8)) — mineral

Orthoclase Feldspar

Orthoclase (KAlSi3O8)

Green Aventurine (Quartz (SiO2) with fuchsite inclusions) — mineral

Green Aventurine

Quartz (SiO2) with fuchsite inclusions

Clear Quartz (Silicon dioxide (SiO2)) — mineral

Clear Quartz

Silicon dioxide (SiO2)

Quartz Crystal Point (Silicon Dioxide (SiO2)) — mineral

Quartz Crystal Point

Silicon Dioxide (SiO2)

Moonstone (Orthoclase Feldspar (KAlSi3O8)) — mineral

Moonstone

Orthoclase Feldspar (KAlSi3O8)

Milky Quartz (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Mica (Biotite or Phlogopite Buchsam) (Silicate Mineral (Phyllosilicate family)) — mineral

Mica (Biotite or Phlogopite Buchsam)

Silicate Mineral (Phyllosilicate family)

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

Muscovite

Muscovite, KAl2(AlSi3O10)(OH)2

Pink Quartz / Rose Quartz (Silicon Dioxide (SiO2)) — mineral

Pink Quartz / Rose Quartz

Silicon Dioxide (SiO2)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Pink Quartz / Rose Quartz (Silicon Dioxide (SiO2)) — mineral

Pink Quartz / Rose Quartz

Silicon Dioxide (SiO2)

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

White Quartz (Quartz (Silicon Dioxide, SiO2)) — mineral

White Quartz

Quartz (Silicon Dioxide, SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Rose Quartz (Silicon Dioxide (SiO2)) — mineral

Rose Quartz

Silicon Dioxide (SiO2)

Clear Quartz (Quartz (Silicon Dioxide, SiO2)) — mineral

Clear Quartz

Quartz (Silicon Dioxide, SiO2)

Tumbled White Quartz (Silicon Dioxide (SiO2)) — mineral

Tumbled White Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Clear Quartz (Rock Crystal) (Silicon Dioxide (SiO2)) — mineral

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)