Rock Identifier

Category

Metamorphic Rock

Browse metamorphic rock specimens identified by the Rock Identifier community.

Learn about Metamorphic Rock in the encyclopedia

Calc-Silicate Rock

Calc-Silicate Rock

Eulysite

Metabasalt

Hornfels

Metarhyolite

Metagabbro

Talc-carbonate Rock

Talc-carbonate Rock

Rock Gypsum

Coral Rock

Rock Salt

Asphalt Rock

Amphibolite

Honey calcite (likely rough cleavage fragment) (Calcite, calcium carbonate (CaCO₃)) — mineral

Honey calcite (likely rough cleavage fragment)

Calcite, calcium carbonate (CaCO₃)

Likely galena-bearing metamorphic sulfide ore (Galena (PbS), possibly with pyrite and/or sphalerite in a schistose host) — mineral

Likely galena-bearing metamorphic sulfide ore

Galena (PbS), possibly with pyrite and/or sphalerite in a schistose host

Likely quartz-rich stone, possibly milky quartz (Quartz (silicon dioxide, SiO₂)) — mineral

Likely quartz-rich stone, possibly milky quartz

Quartz (silicon dioxide, SiO₂)

Rounded metamorphic cobble, likely gneiss or amphibolite (Banding-free biotite–quartz–feldspar gneiss or amphibolite; exact identification requires testing) — metamorphic

Rounded metamorphic cobble, likely gneiss or amphibolite

Banding-free biotite–quartz–feldspar gneiss or amphibolite; exact identification requires testing

Likely mica-rich metamorphic rock (schist) (Mica schist, probably biotite–muscovite schist; exact identification requires closer examination) — metamorphic

Likely mica-rich metamorphic rock (schist)

Mica schist, probably biotite–muscovite schist; exact identification requires closer examination

White mica schist (Muscovite–quartz schist; predominantly muscovite mica (KAl₂(AlSi₃O₁₀)(OH)₂) and quartz (SiO₂)) — metamorphic

White mica schist

Muscovite–quartz schist; predominantly muscovite mica (KAl₂(AlSi₃O₁₀)(OH)₂) and quartz (SiO₂)

Biotite-rich schist (Mica schist, chiefly quartz + biotite mica (variable feldspar and garnet)) — metamorphic

Biotite-rich schist

Mica schist, chiefly quartz + biotite mica (variable feldspar and garnet)

Mica Schist (Mica Schist) — metamorphic

Mica Schist

Mica Schist

Schist with Quartz Veins (Schist with Quartz (SiO2)) — metamorphic

Schist with Quartz Veins

Schist with Quartz (SiO2)

Slate (Foliated Metamorphic Rock) — metamorphic

Slate

Foliated Metamorphic Rock

Foliated Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Foliated Gneiss

Gneiss (Metamorphic Rock)

Banded Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Banded Gneiss

Gneiss (Metamorphic Rock)

Banded Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Banded Gneiss

Gneiss (Metamorphic Rock)

Slate (Foliated Metamorphic Rock) — metamorphic

Slate

Foliated Metamorphic Rock

Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Gneiss

Gneiss (Metamorphic Rock)

Banded Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Banded Gneiss

Gneiss (Metamorphic Rock)

Schist (Schist (Metamorphic Rock)) — metamorphic

Schist

Schist (Metamorphic Rock)

Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Gneiss

Gneiss (Metamorphic Rock)

Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Gneiss

Gneiss (Metamorphic Rock)

Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Gneiss

Gneiss (Metamorphic Rock)

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

Banded Gneiss Pebble

Gneiss (Metamorphic Rock)

Gneiss (Gneiss (Metamorphic rock)) — metamorphic

Gneiss

Gneiss (Metamorphic rock)

Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Gneiss

Gneiss (Metamorphic Rock)

Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Gneiss

Gneiss (Metamorphic Rock)

Banded Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Banded Gneiss

Gneiss (Metamorphic Rock)

Schist (Schist (metamorphic rock)) — metamorphic

Schist

Schist (metamorphic rock)

Slate (Foliated Metamorphic Rock) — metamorphic

Slate

Foliated Metamorphic Rock

Granitic Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Granitic Gneiss

Gneiss (Metamorphic Rock)

Gneiss (Foliated Metamorphic Rock) — metamorphic

Gneiss

Foliated Metamorphic Rock

Gneiss (Foliated Metamorphic Rock) — metamorphic

Gneiss

Foliated Metamorphic Rock

Gneiss (Foliated Metamorphic Rock) — metamorphic

Gneiss

Foliated Metamorphic Rock

Gneiss (Gneissic Metamorphic Rock) — metamorphic

Gneiss

Gneissic Metamorphic Rock

Gneiss (Gneissic Metamorphic Rock) — metamorphic

Gneiss

Gneissic Metamorphic Rock

Banded Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Banded Gneiss

Gneiss (Metamorphic Rock)

Slate (Foliated metamorphic rock) — metamorphic

Slate

Foliated metamorphic rock

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

Foliated Metamorphic Rock (likely Gneiss or Schist)

Gneissic Metamorphic Rock

Quartzite River Rock (Metamorphic Rock (Quartzite)) — metamorphic

Quartzite River Rock

Metamorphic Rock (Quartzite)

Slate (Slate (Metamorphic Rock)) — metamorphic

Slate

Slate (Metamorphic Rock)

Mica Schist (Metamorphic Rock (Schistose)) — metamorphic

Mica Schist

Metamorphic Rock (Schistose)

Biotite Schist (Metamorphic Rock (Schist)) — metamorphic

Biotite Schist

Metamorphic Rock (Schist)

Slate (Slate (Metamorphic rock)) — metamorphic

Slate

Slate (Metamorphic rock)

Schist (Metamorphic rock (Schist)) — metamorphic

Schist

Metamorphic rock (Schist)