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

Unakite (Epidote–orthoclase–quartz metamorphic rock) — metamorphic

Unakite

Epidote–orthoclase–quartz metamorphic rock

Green Slate Pebble (Serpentine / Greenschist Pebble) (Greenschist / Low-grade Metamorphic Rock) — metamorphic

Green Slate Pebble (Serpentine / Greenschist Pebble)

Greenschist / Low-grade Metamorphic Rock

Quartz-veined Granite or Gneiss Pebble (Silicate-rich metamorphic rock fragment) — metamorphic

Quartz-veined Granite or Gneiss Pebble

Silicate-rich metamorphic rock fragment

Banded Gneiss (Gneiss (SiO2 enriched metamorphic rock)) — metamorphic

Banded Gneiss

Gneiss (SiO2 enriched metamorphic rock)

Polished Marble (likely Carrara-type with Iron oxides) (Metamorphosed Carbonate (CaCO3)) — metamorphic

Polished Marble (likely Carrara-type with Iron oxides)

Metamorphosed Carbonate (CaCO3)

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

Gneiss

Gneiss (High-grade Metamorphic Rock)

Slate (Foliated low-grade metamorphic rock) — metamorphic

Slate

Foliated low-grade metamorphic rock

Granitic Gneiss (Gneiss (high-grade metamorphic rock)) — metamorphic

Granitic Gneiss

Gneiss (high-grade metamorphic rock)

Gneiss (High-grade regional metamorphic rock) — metamorphic

Gneiss

High-grade regional metamorphic rock

Garnet-bearing Schist / Conglomerate Specimen (Metamorphic rock with almandine garnet porphyroblasts) — metamorphic

Garnet-bearing Schist / Conglomerate Specimen

Metamorphic rock with almandine garnet porphyroblasts

Mica Schist with Biotite or Muscovite (Metamorphic rock rich in sheet silicates) — metamorphic

Mica Schist with Biotite or Muscovite

Metamorphic rock rich in sheet silicates

Likely polished greenstone or serpentine inlay (Serpentine-group mineral, commonly antigorite/lizardite; possibly nephrite jade) — metamorphic

Likely polished greenstone or serpentine inlay

Serpentine-group mineral, commonly antigorite/lizardite; possibly nephrite jade

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

Gneiss

Gneiss (High-grade metamorphic rock)

Weathered schist or gneiss (Quartz–feldspar–mica metamorphic rock) — metamorphic

Weathered schist or gneiss

Quartz–feldspar–mica metamorphic rock

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

Gneiss

Gneiss (High-grade metamorphic rock)

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

Gneiss

Gneiss (High-grade metamorphic rock)

Gneiss (High-grade regional metamorphic rock) — metamorphic

Gneiss

High-grade regional metamorphic rock

Gneiss (Metamorphic Pebble) (Gneiss (SiO2-rich metamorphic rock)) — metamorphic

Gneiss (Metamorphic Pebble)

Gneiss (SiO2-rich metamorphic rock)

Polished Jasper / Gneiss (Metamorphic/Siliceous Egg) (Siliceous Gneiss / Banded Metamorphic Rock) — metamorphic

Polished Jasper / Gneiss (Metamorphic/Siliceous Egg)

Siliceous Gneiss / Banded Metamorphic Rock

Carved Soapstone (Steatite) (Steatite (talc-rich metamorphic rock)) — metamorphic

Carved Soapstone (Steatite)

Steatite (talc-rich metamorphic rock)

Banded Pebble (Metamorphic Slate or Gneiss with Quartz Veining) (Metamorphic Rock with Quartz/Calcite Veins) — metamorphic

Banded Pebble (Metamorphic Slate or Gneiss with Quartz Veining)

Metamorphic Rock with Quartz/Calcite Veins

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

Banded Gneiss

Gneiss (High-grade metamorphic rock)

Gneiss with Quartz Veining (Gneiss (High-grade metamorphic rock)) — metamorphic

Gneiss with Quartz Veining

Gneiss (High-grade metamorphic rock)

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

Gneiss

High-grade metamorphic rock (Gneiss)

Quartzite (Metamorphic Rock (Quartzite), primarily SiO2) — metamorphic

Quartzite

Metamorphic Rock (Quartzite), primarily SiO2

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

Gneiss

Gneiss (High-grade metamorphic rock)

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

Feldspathic Gneiss

High-grade Metamorphic Rock (Gneiss)

Gneiss with Quartz Veining (Gneiss (High-grade Metamorphic Rock)) — metamorphic

Gneiss with Quartz Veining

Gneiss (High-grade Metamorphic Rock)

Quartzite Pebble (Metamorphic Rock consisting of Quartz (SiO2)) — metamorphic

Quartzite Pebble

Metamorphic Rock consisting of Quartz (SiO2)

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

Gneiss

Gneiss (High-grade metamorphic rock)

Pink Quartzite (Quartzite (High-silica metamorphic rock)) — metamorphic

Pink Quartzite

Quartzite (High-silica metamorphic rock)

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

Granite Gneiss

Gneiss (High-grade metamorphic rock)

Banded Gneiss and Siltstone River Stones (Gneiss (High-grade Metamorphic Rock)) — metamorphic

Banded Gneiss and Siltstone River Stones

Gneiss (High-grade Metamorphic Rock)

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

Gneiss

Gneiss (High-grade metamorphic rock)

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

Gneiss

Gneiss (High-grade Metamorphic Rock)

Quartzite River Rock (Quartzite (SiO2 based metamorphic rock)) — metamorphic

Quartzite River Rock

Quartzite (SiO2 based metamorphic rock)

Gneiss with Quartz Veining (Gneiss (High-grade Metamorphic Rock)) — metamorphic

Gneiss with Quartz Veining

Gneiss (High-grade Metamorphic Rock)

Quartzite (Quartzite (SiO2-rich metamorphic rock)) — metamorphic

Quartzite

Quartzite (SiO2-rich metamorphic rock)

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

Gneiss

High-grade metamorphic rock (Gneiss)

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

Gneiss Pebble

Gneiss (High-grade metamorphic rock)

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

Gneiss

Gneiss (High-grade metamorphic rock)

Quartzite Pebble (Metamorphic Rock (composed mainly of SiO2)) — metamorphic

Quartzite Pebble

Metamorphic Rock (composed mainly of SiO2)