Rock Identifier

Category

Metamorphic Rock (Primarily Composed Of Minerals)

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

Learn about Metamorphic Rock (Primarily Composed Of 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

Granite (Granite (composed of Quartz, Feldspar, and Mica)) — igneous

Granite

Granite (composed of Quartz, Feldspar, and Mica)

Sandstone (Arenite (SiO2 based typically)) — sedimentary

Sandstone

Arenite (SiO2 based typically)

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Cockle Shell Fossil (Cardium (Bivalvia)) — fossil

Cockle Shell Fossil

Cardium (Bivalvia)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Sea Snail Shell (Top Shell) (Trochidae family (Calcium Carbonate, CaCO3)) — mineral

Sea Snail Shell (Top Shell)

Trochidae family (Calcium Carbonate, CaCO3)

Conglomerate (Conglomerate (Clastic sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (Clastic sedimentary rock)

Granodiorite (Granodiorite (Intermediate intrusive igneous rock)) — igneous

Granodiorite

Granodiorite (Intermediate intrusive igneous rock)

Siltstone (Siltstone (primarily composed of SiO2)) — sedimentary

Siltstone

Siltstone (primarily composed of SiO2)

Peridotite / Olivine Xenolith (Ultramafic igneous rock primarily composed of olivine and pyroxene) — igneous

Peridotite / Olivine Xenolith

Ultramafic igneous rock primarily composed of olivine and pyroxene

Sandstone (Arenite (composed primarily of SiO2)) — sedimentary

Sandstone

Arenite (composed primarily of SiO2)

Red Sandstone (Arenite (primarily Quartz with Hematite cement)) — sedimentary

Red Sandstone

Arenite (primarily Quartz with Hematite cement)

Limestone (fossiliferous or weathered) (Sedimentary carbonate rock primarily composed of calcium carbonate (CaCO3)) — sedimentary

Limestone (fossiliferous or weathered)

Sedimentary carbonate rock primarily composed of calcium carbonate (CaCO3)

Granite (Granite (Phaneritic Quartz-Feldspar Plutonic Rock)) — igneous

Granite

Granite (Phaneritic Quartz-Feldspar Plutonic Rock)

Granite (Granite) — Igneous

Granite

Granite

Sandstone (Arenite (composed primarily of SiO2)) — sedimentary

Sandstone

Arenite (composed primarily of SiO2)

Basalt (Basalt (dominated by plagioclase feldspar and pyroxene minerals)) — Igneous

Basalt

Basalt (dominated by plagioclase feldspar and pyroxene minerals)

Red Sandstone (Sandstone (Quartz Arenite / Arkose with Hematite cement)) — sedimentary

Red Sandstone

Sandstone (Quartz Arenite / Arkose with Hematite cement)

Sandstone (Arenite (composed primarily of SiO2)) — sedimentary

Sandstone

Arenite (composed primarily of SiO2)

Greenstone (Amygdaloidal Basalt) (Amygdaloidal Basalt (frequently composed of Plagioclase Feldspar, Pyroxene, and Olivine with Chlorite inclusions)) — igneous

Greenstone (Amygdaloidal Basalt)

Amygdaloidal Basalt (frequently composed of Plagioclase Feldspar, Pyroxene, and Olivine with Chlorite inclusions)

Lapis Lazuli (Lapis Lazuli (Complex rock mainly composed of Lazurite, Calcite, and Pyrite)) — metamorphic

Lapis Lazuli

Lapis Lazuli (Complex rock mainly composed of Lazurite, Calcite, and Pyrite)

Blue Kyanite (Kyanite (Al2SiO5)) — mineral

Blue Kyanite

Kyanite (Al2SiO5)

Shale (Fissile Mudstone (primarily composed of clay minerals and quartz)) — sedimentary

Shale

Fissile Mudstone (primarily composed of clay minerals and quartz)

Red Sandstone (Arenite (primarily Quartz with Iron Oxide)) — sedimentary

Red Sandstone

Arenite (primarily Quartz with Iron Oxide)

Sandstone (likely Quartz Sandstone) (Arenite (composed primarily of SiO2)) — sedimentary

Sandstone (likely Quartz Sandstone)

Arenite (composed primarily of SiO2)

Sandstone (likely Graywacke or Arkosic varieties) (Arenite (composed primarily of SiO2)) — sedimentary

Sandstone (likely Graywacke or Arkosic varieties)

Arenite (composed primarily of SiO2)

Nuummite (Nuummite (Orthoamphibole rock composed of Anthophyllite and Gedrite)) — metamorphic

Nuummite

Nuummite (Orthoamphibole rock composed of Anthophyllite and Gedrite)

Sandstone (Ferruginous) (Arenite (composed primarily of SiO2 with Fe2O3 cement)) — sedimentary

Sandstone (Ferruginous)

Arenite (composed primarily of SiO2 with Fe2O3 cement)

Sandstone (Arenite (typically composed of SiO2)) — sedimentary

Sandstone

Arenite (typically composed of SiO2)

Sandstone (with garnet granules) (Clastic sedimentary rock (primarily SiO2 with Fe3Al2(SiO4)3 inclusions)) — sedimentary

Sandstone (with garnet granules)

Clastic sedimentary rock (primarily SiO2 with Fe3Al2(SiO4)3 inclusions)

Bauxite (Bauxite (Al(OH)3, AlO(OH))) — sedimentary

Bauxite

Bauxite (Al(OH)3, AlO(OH))

Bauxite (Bauxite (Al2O3·nH2O)) — sedimentary

Bauxite

Bauxite (Al2O3·nH2O)

Granite (Phaneritic Plutonic Igneous Rock) — igneous

Granite

Phaneritic Plutonic Igneous Rock

Sandstone (likely Quartzose Sandstone pebble) (Arenite (primarily SiO2)) — sedimentary

Sandstone (likely Quartzose Sandstone pebble)

Arenite (primarily SiO2)

Sandstone (likely Arkosic or Lithic) (Clastic Sedimentary Rock (composed mostly of SiO2)) — sedimentary

Sandstone (likely Arkosic or Lithic)

Clastic Sedimentary Rock (composed mostly of SiO2)

Basalt (Mafic Igneous Rock (composed primarily of plagioclase, pyroxene, and olivine)) — igneous

Basalt

Mafic Igneous Rock (composed primarily of plagioclase, pyroxene, and olivine)

Gravel and Sand Aggregate (Unconsolidated Clastic Sediment) — sedimentary

Gravel and Sand Aggregate

Unconsolidated Clastic Sediment

Shark Tooth Fossil (Carcharocles megalodon or similar extinct shark tooth) — fossil

Shark Tooth Fossil

Carcharocles megalodon or similar extinct shark tooth

Shark Tooth Fossil (Lamniformes (Shark tooth fossil composed of Fluorapatite)) — fossil

Shark Tooth Fossil

Lamniformes (Shark tooth fossil composed of Fluorapatite)

Sandstone and Gravel Aggregate (Clastic Sedimentary Rock / Quartzose Sandstone) — sedimentary

Sandstone and Gravel Aggregate

Clastic Sedimentary Rock / Quartzose Sandstone

Red Sandstone (Sedimentary Clastic Rock (Quartz Arenite)) — sedimentary

Red Sandstone

Sedimentary Clastic Rock (Quartz Arenite)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)