Rock Identifier

Category

Metamorphic Rock (Composed Of Multiple Minerals)

Browse metamorphic rock (composed of multiple minerals) specimens identified by the Rock Identifier community.

Learn about Metamorphic Rock (Composed Of Multiple Minerals) in the encyclopedia

Rock Salt

Calc-Silicate Rock

Calc-Silicate Rock

Talc-carbonate Rock

Talc-carbonate Rock

Eulysite

Metabasalt

Hornfels

Albitite

Metagabbro

Epidosite

Schist

Metarhyolite

Cordierite Hornfels

Cordierite Hornfels

Biotite-bearing granite (Granite, composed mainly of quartz (SiO₂), potassium feldspar, plagioclase, and biotite mica) — igneous

Biotite-bearing granite

Granite, composed mainly of quartz (SiO₂), potassium feldspar, plagioclase, and biotite mica

Quartz with Sulfide Inclusions (Silicon Dioxide (SiO2) with metallic mineral inclusions) — mineral

Quartz with Sulfide Inclusions

Silicon Dioxide (SiO2) with metallic mineral inclusions

Green Slate or Metamorphic Rock (Metamorphic rock (chlorite/actinolite-bearing)) — metamorphic

Green Slate or Metamorphic Rock

Metamorphic rock (chlorite/actinolite-bearing)

Ferruginous Sandstone (Ironstone) (Clastic Sedimentary Rock (composed of SiO2 with Fe2O3/FeO(OH) cement)) — sedimentary

Ferruginous Sandstone (Ironstone)

Clastic Sedimentary Rock (composed of SiO2 with Fe2O3/FeO(OH) cement)

Sandstone (Sedimentary Clastic Rock) — sedimentary

Sandstone

Sedimentary Clastic Rock

Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Gneiss

Gneiss (Metamorphic Rock)

Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Gneiss

Gneiss (Metamorphic Rock)

Schist (Schist (Metamorphic Rock)) — metamorphic

Schist

Schist (Metamorphic Rock)

Gneiss (Foliated Metamorphic Rock) — metamorphic

Gneiss

Foliated Metamorphic Rock

Sandstone (Arenite (Clastic Sedimentary Rock)) — sedimentary

Sandstone

Arenite (Clastic Sedimentary Rock)

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

Gneiss

Gneiss (High-grade Metamorphic Rock)

Lapis Lazuli (Lapis lazuli (complex rock composed of Lazurite, Calcite, and Pyrite)) — metamorphic

Lapis Lazuli

Lapis lazuli (complex rock composed of Lazurite, Calcite, and Pyrite)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

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

Banded Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Rhyolite (Leopard Skin Jasper) (Rhyolite (Silicon Dioxide with impurities)) — igneous

Rhyolite (Leopard Skin Jasper)

Rhyolite (Silicon Dioxide with impurities)

Granite (Phaneritic Plutonic Igneous Rock (primarily composed of quartz, alkali feldspar, and plagioclase)) — igneous

Granite

Phaneritic Plutonic Igneous Rock (primarily composed of quartz, alkali feldspar, and plagioclase)

Granitic gneiss (weathered, rounded cobble) (Foliated granitoid; primarily quartz, feldspar, and mica (composition commonly approximates granite)) — metamorphic

Granitic gneiss (weathered, rounded cobble)

Foliated granitoid; primarily quartz, feldspar, and mica (composition commonly approximates granite)

Botryoidal Chalcedony (Agate/Chert Nodule) (Chalcedony (SiO2)) — mineral

Botryoidal Chalcedony (Agate/Chert Nodule)

Chalcedony (SiO2)

Serpentine-bearing metamorphic rock (likely chromite/vesuvianite-bearing serpentinite) (Serpentinite, chiefly serpentine-group minerals [(Mg,Fe)₃Si₂O₅(OH)₄], with dark accessory minerals) — metamorphic

Serpentine-bearing metamorphic rock (likely chromite/vesuvianite-bearing serpentinite)

Serpentinite, chiefly serpentine-group minerals [(Mg,Fe)₃Si₂O₅(OH)₄], with dark accessory minerals

Granite (Phaneritic plutonic rock (Quartz, Alkali Feldspar, and Plagioclase)) — igneous

Granite

Phaneritic plutonic rock (Quartz, Alkali Feldspar, and Plagioclase)

Sandstone (Quartzose Sandstone) (Arenite (SiO2 principal component)) — sedimentary

Sandstone (Quartzose Sandstone)

Arenite (SiO2 principal component)

Sandstone (Sandstone (Quartz-rich sedimentary rock)) — sedimentary

Sandstone

Sandstone (Quartz-rich sedimentary rock)

Sandstone (Arenite (Sedimentary rock)) — sedimentary

Sandstone

Arenite (Sedimentary rock)

Basalt with Iron Oxidation (Aphanitic Mafic Igneous Rock (composed primarily of Plagioclase and Pyroxene)) — igneous

Basalt with Iron Oxidation

Aphanitic Mafic Igneous Rock (composed primarily of Plagioclase and Pyroxene)

Granite Cobble (Granite (Phaneritic igneous rock)) — igneous

Granite Cobble

Granite (Phaneritic igneous rock)

Sandstone (Sandstone (composed predominantly of SiO2)) — sedimentary

Sandstone

Sandstone (composed predominantly of SiO2)

Quartz (Quartz (SiO₂)) — mineral

Quartz

Quartz (SiO₂)

Schist (Greenschist / Mica Schist) (Metamorphic rock rich in platy minerals (e.g., Chlorite/Mica schist)) — metamorphic

Schist (Greenschist / Mica Schist)

Metamorphic rock rich in platy minerals (e.g., Chlorite/Mica schist)

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

Gneiss

High-grade metamorphic rock (Gneiss)

Graphic Granite (Zebra Rock) (Pegmatitic Granite (composed of Quartz and K-Feldspar)) — igneous

Graphic Granite (Zebra Rock)

Pegmatitic Granite (composed of Quartz and K-Feldspar)

Banded Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Banded Gneiss

Gneiss (Metamorphic Rock)

Gneiss (Gneissic Metamorphic Rock) — metamorphic

Gneiss

Gneissic Metamorphic Rock

Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Gneiss

Gneiss (Metamorphic Rock)

Sandstone (Sandstone (SiO2 predominant)) — sedimentary

Sandstone

Sandstone (SiO2 predominant)

Vesicular Basalt (commonly mistaken for Slag) (Scoriaceous Basalt (composed primarily of Plagioclase Feldspar and Pyroxene)) — igneous

Vesicular Basalt (commonly mistaken for Slag)

Scoriaceous Basalt (composed primarily of Plagioclase Feldspar and Pyroxene)

Greenstone / Greenschist (Greenschist facies metamorphic rock) — metamorphic

Greenstone / Greenschist

Greenschist facies metamorphic rock

Sandstone (Sandstone (composed predominantly of Quartz, SiO2, with Feldspar and Clay minerals)) — sedimentary

Sandstone

Sandstone (composed predominantly of Quartz, SiO2, with Feldspar and Clay minerals)

Quartz-rich gravel fragment (Quartz (silicon dioxide, SiO₂), possibly with feldspar or carbonate inclusions) — mineral

Quartz-rich gravel fragment

Quartz (silicon dioxide, SiO₂), possibly with feldspar or carbonate inclusions

Fossilized Horn Coral (Rugosa) — fossil

Fossilized Horn Coral

Rugosa

Unakite (Altered Granite (composed of orthoclase feldspar, epidote, and quartz)) — metamorphic

Unakite

Altered Granite (composed of orthoclase feldspar, epidote, and quartz)

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Staurolite-bearing mica schist (probable) (Mica schist composed chiefly of muscovite/biotite, quartz, and likely staurolite or garnet) — metamorphic

Staurolite-bearing mica schist (probable)

Mica schist composed chiefly of muscovite/biotite, quartz, and likely staurolite or garnet