Rock Identifier

Category

Metamorphic Or Igneous

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

Learn about Metamorphic Or 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 (contains muscovite/biotite and quartz)) — metamorphic

Schist

Mica Schist (contains muscovite/biotite and quartz)

Serpentine (Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)3(Si, Al, Fe)2O5(OH)4) — metamorphic

Serpentine

Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)3(Si, Al, Fe)2O5(OH)4

Mica Schist (Mica Schist (primarily Muscovite or Biotite sheets with Quartz)) — metamorphic

Mica Schist

Mica Schist (primarily Muscovite or Biotite sheets with Quartz)

Mica Schist (Foliated Metamorphic Rock (Schist)) — metamorphic

Mica Schist

Foliated Metamorphic Rock (Schist)

Yellow Quartzite (Metamorphic Rock (Mainly SiO2)) — metamorphic

Yellow Quartzite

Metamorphic Rock (Mainly SiO2)

Lapis Lazuli (Lazurite-rich metamorphic rock) — metamorphic

Lapis Lazuli

Lazurite-rich metamorphic rock

Glaucophane Schist (Blueschist) (Blueschist facies metamorphic rock) — metamorphic

Glaucophane Schist (Blueschist)

Blueschist facies metamorphic rock

Quartzite Pebble (Metamorphic Quartzite (primarily SiO2)) — metamorphic

Quartzite Pebble

Metamorphic Quartzite (primarily SiO2)

Quartzite Pebble (Metamorphic Quartzite (primarily SiO2)) — metamorphic

Quartzite Pebble

Metamorphic Quartzite (primarily SiO2)

Quartzite with inclusions (Metamorphic Rock (Mainly SiO2)) — metamorphic

Quartzite with inclusions

Metamorphic Rock (Mainly SiO2)

Quartzite (Metamorphic Quartzite (primarily SiO2)) — metamorphic

Quartzite

Metamorphic Quartzite (primarily SiO2)

Lapis Lazuli (Lazurite-rich metamorphic rock) — metamorphic

Lapis Lazuli

Lazurite-rich metamorphic rock

Slate (Slate (foliated metamorphic rock)) — metamorphic

Slate

Slate (foliated metamorphic rock)

Mica Schist (Foliated Metamorphic Rock (Schist)) — metamorphic

Mica Schist

Foliated Metamorphic Rock (Schist)

Slate (Slate (Foliated Metamorphic Rock)) — metamorphic

Slate

Slate (Foliated Metamorphic Rock)

Quartzite Pebble (Metamorphic Quartzite (predominantly SiO2)) — metamorphic

Quartzite Pebble

Metamorphic Quartzite (predominantly SiO2)

Quartzite (Metamorphic Quartz Sandstone (SiO2)) — metamorphic

Quartzite

Metamorphic Quartz Sandstone (SiO2)

Quartzite (River Pebble) (Metamorphic Quartzite (primarily SiO2)) — metamorphic

Quartzite (River Pebble)

Metamorphic Quartzite (primarily SiO2)

Schist (Schist (Crystalline metamorphic rock)) — metamorphic

Schist

Schist (Crystalline metamorphic rock)

Quartzite Pebble (Metamorphic Quartzite (primarily SiO2)) — metamorphic

Quartzite Pebble

Metamorphic Quartzite (primarily SiO2)

Shale or Argillite (Shale (sedimentary) / Argillite (metamorphic)) — Sedimentary or Metamorphic (low-grade)

Shale or Argillite

Shale (sedimentary) / Argillite (metamorphic)

Sedimentary or Metamorphic (low-grade)

Quartzite Pebble (Metamorphic Quartzite (primarily SiO2)) — metamorphic

Quartzite Pebble

Metamorphic Quartzite (primarily SiO2)

Green Slate (Greenstone) (Metamorphic shale (varied composition)) — metamorphic

Green Slate (Greenstone)

Metamorphic shale (varied composition)

Quartzite Pebble (River Rock) (Metamorphic Quartzite (predominantly SiO2)) — metamorphic

Quartzite Pebble (River Rock)

Metamorphic Quartzite (predominantly SiO2)

Quartzite Pebble (Metamorphic Quartzite (primarily SiO2)) — metamorphic

Quartzite Pebble

Metamorphic Quartzite (primarily SiO2)

Quartzite with Quartz Veining (Metamorphic Quartz Rock (SiO2)) — metamorphic

Quartzite with Quartz Veining

Metamorphic Quartz Rock (SiO2)

Lapis Lazuli (Fragment) (Lazurite-rich metamorphic rock) — metamorphic

Lapis Lazuli (Fragment)

Lazurite-rich metamorphic rock

Slate (Slate (Foliated Metamorphic Rock)) — metamorphic

Slate

Slate (Foliated Metamorphic Rock)

Slate (Low-grade Metamorphic Rock) — metamorphic

Slate

Low-grade Metamorphic Rock

Emerald in Matrix (Beryl (Be3Al2Si6O18) with Quartz/Schist) — gemstone

Emerald in Matrix

Beryl (Be3Al2Si6O18) with Quartz/Schist

Jadeite (Jade) (NaAlSi2O6 (Sodium Aluminum Silicate)) — metamorphic

Jadeite (Jade)

NaAlSi2O6 (Sodium Aluminum Silicate)

Milky Quartz with Mica inclusions (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz with Mica inclusions

Quartz (Silicon Dioxide, SiO2)

Tiger's Eye (Silicon Dioxide with Crocidolite (SiO2)) — mineral

Tiger's Eye

Silicon Dioxide with Crocidolite (SiO2)

Serpentine (Antigorite/Lizardite (Mg,Fe)3Si2O5(OH)4) — metamorphic

Serpentine

Antigorite/Lizardite (Mg,Fe)3Si2O5(OH)4

Alexandrite (Chrysoberyl (BeAl2O4 with Chromium impurities)) — mineral

Alexandrite

Chrysoberyl (BeAl2O4 with Chromium impurities)

Aquamarine (Beryl (Be₃Al₂Si‑₆O₁₈)) — mineral

Aquamarine

Beryl (Be₃Al₂Si‑₆O₁₈)

Beryl (Aquamarine) in Matrix with Schorl (Be3Al2Si6O18 (Beryl) with NaFe3Al6(BO3)3Si6O18(OH)4 (Schorl)) — mineral

Beryl (Aquamarine) in Matrix with Schorl

Be3Al2Si6O18 (Beryl) with NaFe3Al6(BO3)3Si6O18(OH)4 (Schorl)

Agate (Silicon dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Agate

Silicon dioxide (SiO2) - Microcrystalline Quartz

Aquamarine (Beryl (Be3Al2Si6O18 with iron impurities)) — mineral

Aquamarine

Beryl (Be3Al2Si6O18 with iron impurities)

Grey Agate (Tumbled) (Silicon Dioxide (SiO2)) — mineral

Grey Agate (Tumbled)

Silicon Dioxide (SiO2)

Green Adventurine (SiO2 (Silicon Dioxide with inclusions of Fuchsite mica)) — mineral

Green Adventurine

SiO2 (Silicon Dioxide with inclusions of Fuchsite mica)

Shale (possibly Carbonaceous or Oil Shale) (Argillaceous Sedimentary Rock) — sedimentary

Shale (possibly Carbonaceous or Oil Shale)

Argillaceous Sedimentary Rock