Rock Identifier

Category

Metamorphic And Igneous

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

Learn about Metamorphic And Igneous in the encyclopedia

Carbonatite

Carbonatite

Cordierite Hornfels

Cordierite Hornfels

Migmatite

Migmatite

Metabasalt

Metabasalt

Eulysite

Eulysite

Metaquartzite

Metaquartzite

Slate

Slate

Anthracite

Anthracite

Marble

Marble

Hornfels

Hornfels

Metarhyolite

Metarhyolite

Metagabbro

Metagabbro

Schist (Mica Schist) — metamorphic

Schist

Mica Schist

Greenschist (Greenschist (composed of Chlorite, Actinolite, and Epidote)) — metamorphic

Greenschist

Greenschist (composed of Chlorite, Actinolite, and Epidote)

Orange Quartz (Citrine Quartz) (Silicon Dioxide (SiO2) with iron impurities) — mineral

Orange Quartz (Citrine Quartz)

Silicon Dioxide (SiO2) with iron impurities

Serpentine (Antigorite, Lizardite, or Chrysotile; (Mg,Fe)3Si2O5(OH)4) — metamorphic

Serpentine

Antigorite, Lizardite, or Chrysotile; (Mg,Fe)3Si2O5(OH)4

Corundum (Ruby variety) (Aluminium oxide (Al2O3)) — mineral

Corundum (Ruby variety)

Aluminium oxide (Al2O3)

Muscovite Mica (Granitic Pegmatite) (Muscovite - KAl2(AlSi3O10)(OH)2) — mineral

Muscovite Mica (Granitic Pegmatite)

Muscovite - KAl2(AlSi3O10)(OH)2

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

Magnetite or Magnetic Iron Ore

Magnetite (Fe3O4)

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Greenstone (Metabasalt (often contains Chlorite, Actinolite, and Epidote)) — metamorphic

Greenstone

Metabasalt (often contains Chlorite, Actinolite, and Epidote)

Granite Gneiss (Granitic Gneiss) — Metamorphic

Granite Gneiss

Granitic Gneiss

Nuummite (Nuummite (mixture of Anthophyllite and Gedrite)) — metamorphic

Nuummite

Nuummite (mixture of Anthophyllite and Gedrite)

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Nephrite Jade (Ca2(Mg, Fe)5Si8O22(OH)2) — metamorphic

Nephrite Jade

Ca2(Mg, Fe)5Si8O22(OH)2

Gneiss (Cobble) (Gneiss) — metamorphic

Gneiss (Cobble)

Gneiss

Nephrite Jade (Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2)) — metamorphic

Nephrite Jade

Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2)

Greenstone (Metabasalt / Chlorite-Epidote Schist) — metamorphic

Greenstone

Metabasalt / Chlorite-Epidote Schist

Greenstone (Greenschist / Meta-basalt) — metamorphic

Greenstone

Greenschist / Meta-basalt

Quartz-veined Gneiss (Gneiss with Quartz (SiO2) intrusions) — metamorphic

Quartz-veined Gneiss

Gneiss with Quartz (SiO2) intrusions

Gneiss (specifically Banded Gneiss) (Gneiss) — metamorphic

Gneiss (specifically Banded Gneiss)

Gneiss

Banded Gneiss (Gneiss (Metamorphic high-grade, predominantly SiO2, Al2O3, K2O, Na2O)) — metamorphic

Banded Gneiss

Gneiss (Metamorphic high-grade, predominantly SiO2, Al2O3, K2O, Na2O)

Lapis Lazuli (Na8(Al6Si6O24)S2 (Lazurite is the primary constituent mineral)) — metamorphic

Lapis Lazuli

Na8(Al6Si6O24)S2 (Lazurite is the primary constituent mineral)

Gneiss (High-grade Metamorphic Rock) (Gneiss) — metamorphic

Gneiss (High-grade Metamorphic Rock)

Gneiss

River Stone (Granitic Gneiss) (Foliated Granitic Gneiss) — metamorphic

River Stone (Granitic Gneiss)

Foliated Granitic Gneiss

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Gneiss (High-grade metamorphic rock (Gneiss)) — metamorphic

Gneiss

High-grade metamorphic rock (Gneiss)

Banded Gneiss (Gneiss (High-grade Metamorphic Rock)) — metamorphic

Banded Gneiss

Gneiss (High-grade Metamorphic Rock)

Gneiss (High-grade Metamorphic Rock) (Gneiss (Metamorphic silicate rock)) — metamorphic

Gneiss (High-grade Metamorphic Rock)

Gneiss (Metamorphic silicate rock)

Glacial Cobble (likely Granitic or Gneissic) (Granite/Gneiss Glacial Erratic) — igneous

Glacial Cobble (likely Granitic or Gneissic)

Granite/Gneiss Glacial Erratic

Greenstone (Epidote/Chlorite Schist) (Metabasalt (composed primarily of Epidote Ca2Al2(Fe3+;Al)(SiO4)(Si2O7)O(OH) and Chlorite (Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6)) — metamorphic

Greenstone (Epidote/Chlorite Schist)

Metabasalt (composed primarily of Epidote Ca2Al2(Fe3+;Al)(SiO4)(Si2O7)O(OH) and Chlorite (Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6)

Nephrite Jade (Ca2(Mg, Fe)5Si8O22(OH)2 (Tremolite-Actinolite series)) — metamorphic

Nephrite Jade

Ca2(Mg, Fe)5Si8O22(OH)2 (Tremolite-Actinolite series)

Greenstone / Greenschist (Greenschist (metamorphosed mafic rock)) — metamorphic

Greenstone / Greenschist

Greenschist (metamorphosed mafic rock)

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Gneiss (Banded Gneiss) (Gneiss) — metamorphic

Gneiss (Banded Gneiss)

Gneiss

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

Greenschist

Greenschist (Chlorite-actinolite schist)

Pink Granite Gneiss (Granitic Gneiss) — metamorphic

Pink Granite Gneiss

Granitic Gneiss

Banded Gneiss (Gneiss) — metamorphic

Banded Gneiss

Gneiss

Healer's Gold (Pyrite and Magnetite in Schist) (Magnetite (Fe3O4) and Pyrite (FeS2) in Mica Schist) — metamorphic

Healer's Gold (Pyrite and Magnetite in Schist)

Magnetite (Fe3O4) and Pyrite (FeS2) in Mica Schist

Greenstone Pebble (Metabasalt (often containing chlorite, actinolite, or epidote)) — metamorphic

Greenstone Pebble

Metabasalt (often containing chlorite, actinolite, or epidote)

Nephrite Jade (Ca2(Mg, Fe)5Si8O22(OH)2 (Tremolite-Actinolite series)) — metamorphic

Nephrite Jade

Ca2(Mg, Fe)5Si8O22(OH)2 (Tremolite-Actinolite series)

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Ruby Zoisite (Anyolite (Ca2Al3(SiO4)3(OH) + Al2O3:Cr)) — metamorphic

Ruby Zoisite

Anyolite (Ca2Al3(SiO4)3(OH) + Al2O3:Cr)