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

Quartz with Mica (Silicon Dioxide (SiO2) with Mica group inclusions) — mineral

Quartz with Mica

Silicon Dioxide (SiO2) with Mica group inclusions

Black Tourmaline (Schorl (Na(Fe²⁺)₃Al₆(OH)₄(BO₃)₃Si₆O₁₈)) — Mineral

Black Tourmaline

Schorl (Na(Fe²⁺)₃Al₆(OH)₄(BO₃)₃Si₆O₁₈)

Dumortierite Quartz (Dumortierite-bearing Quartz (SiO2 with Al7BO3(SiO4)3O3)) — mineral

Dumortierite Quartz

Dumortierite-bearing Quartz (SiO2 with Al7BO3(SiO4)3O3)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Quartz (Smoky/Rock Crystal) (Silicon Dioxide (SiO2)) — mineral

Quartz (Smoky/Rock Crystal)

Silicon Dioxide (SiO2)

Sodalite (Sodalite (Na8(Al6Si6O24)Cl2)) — mineral

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Almandine Garnet (Fe3Al2(SiO4)3) — gemstone

Almandine Garnet

Fe3Al2(SiO4)3

Quartz-rich rock with chlorite/epidote vein (Milky quartz with green chlorite or epidote; exact identification requires testing) — metamorphic

Quartz-rich rock with chlorite/epidote vein

Milky quartz with green chlorite or epidote; exact identification requires testing

Mica Schist (Mica Schist (primarily Muscovite or Biotite sheet silicates)) — metamorphic

Mica Schist

Mica Schist (primarily Muscovite or Biotite sheet silicates)

Copper and Quartz beads (Native Copper (Cu) and Crystalline Quartz (SiO2)) — mineral

Copper and Quartz beads

Native Copper (Cu) and Crystalline Quartz (SiO2)

Quartz (Milky/Crystalline) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky/Crystalline)

Silicon Dioxide (SiO2)

Black Star Diopside (Diopside (CaMgSi2O6) with Magnetite inclusions) — mineral

Black Star Diopside

Diopside (CaMgSi2O6) with Magnetite inclusions

Quartz (Milky/Rose variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky/Rose variety)

Silicon Dioxide (SiO2)

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

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(OH)2)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz (Silicon dioxide (SiO2)) — mineral

Quartz

Silicon dioxide (SiO2)

Greenstone (Greenschist-facies basaltic rock) — metamorphic

Greenstone

Greenschist-facies basaltic rock

Banded Gneiss (River Rock/Pebble) (Gneiss (specifically a banded variety often found as a river rock)) — Metamorphic Rock

Banded Gneiss (River Rock/Pebble)

Gneiss (specifically a banded variety often found as a river rock)

Metamorphic Rock

Green Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Green Jasper

Microcrystalline Quartz (SiO2)

Yellow Quartz (Citrine / Milky Quartz) (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz (Citrine / Milky Quartz)

Silicon Dioxide (SiO2)

Quartz (Smoky Quartz / Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Quartz (Smoky Quartz / Chalcedony)

Silicon Dioxide (SiO2)

Quartz (Clear/Milky) (Silicon Dioxide (SiO2)) — mineral

Quartz (Clear/Milky)

Silicon Dioxide (SiO2)

Milky quartz (quartz-rich fragment) (Quartz, silicon dioxide (SiO₂)) — mineral

Milky quartz (quartz-rich fragment)

Quartz, silicon dioxide (SiO₂)

Raw selenite (gypsum) (Gypsum, CaSO₄·2H₂O; translucent variety selenite) — mineral

Raw selenite (gypsum)

Gypsum, CaSO₄·2H₂O; translucent variety selenite

Hematite (Hematite (Fe2O3)) — mineral

Hematite

Hematite (Fe2O3)

Hematite (Specularite) (Fe2O3 (Iron(III) oxide)) — mineral

Hematite (Specularite)

Fe2O3 (Iron(III) oxide)

Tumbled Mineral Collection (Amethyst, Celestite, K2 Jasper, Rose Quartz, Ruby in Zoisite, Que Sera Stone) (Mixed Mineral Specimens (Quartz SiO2, Celestite SrSO4, Corundum Al2O3 with Zoisite, etc.)) — mineral

Tumbled Mineral Collection (Amethyst, Celestite, K2 Jasper, Rose Quartz, Ruby in Zoisite, Que Sera Stone)

Mixed Mineral Specimens (Quartz SiO2, Celestite SrSO4, Corundum Al2O3 with Zoisite, etc.)

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

Green Calcite (Calcite (CaCO3)) — mineral

Green Calcite

Calcite (CaCO3)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Muscovite Mica (in Quartz/Feldspar Matrix) (Muscovite - KAl2(AlSi3O10)(OH)2) — mineral

Muscovite Mica (in Quartz/Feldspar Matrix)

Muscovite - KAl2(AlSi3O10)(OH)2

Aventurine (Green) (Silicon Dioxide (Quartz variety) containing Fuchsite - SiO2 + K(Al,Cr)2AlSi3O10(OH)2) — mineral

Aventurine (Green)

Silicon Dioxide (Quartz variety) containing Fuchsite - SiO2 + K(Al,Cr)2AlSi3O10(OH)2

Peacock Ore (Bornite or Iridescent Chalcopyrite) (Bornite (Cu5FeS4) or Chalcopyrite (CuFeS2) with oxidation) — mineral

Peacock Ore (Bornite or Iridescent Chalcopyrite)

Bornite (Cu5FeS4) or Chalcopyrite (CuFeS2) with oxidation

Pyrite (on a metal substrate) (Iron Sulfide (FeS2)) — mineral

Pyrite (on a metal substrate)

Iron Sulfide (FeS2)

Smoky Quartz (SiO2 (Silicon Dioxide with aluminum impurities)) — mineral

Smoky Quartz

SiO2 (Silicon Dioxide with aluminum impurities)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Quartz (Milky or Cloudy) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky or Cloudy)

Silicon Dioxide (SiO2)

Amethyst and Hematite Bracelet (Amethyst (SiO2) and Hematite (Fe2O3)) — mineral

Amethyst and Hematite Bracelet

Amethyst (SiO2) and Hematite (Fe2O3)

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

Hematite (Iron(III) oxide (Fe2O3)) — mineral

Hematite

Iron(III) oxide (Fe2O3)

Quartz Pebble (Quartz (SiO2)) — sedimentary

Quartz Pebble

Quartz (SiO2)