Rock Identifier

Category

Igneous, Metamorphic, Sedimentary

Browse igneous, metamorphic, sedimentary specimens identified by the Rock Identifier community.

Learn about Igneous, Metamorphic, Sedimentary in the encyclopedia

Cordierite Hornfels

Cordierite Hornfels

Migmatite

Hornblende Schist

Hornblende Schist

Goldmanite

Gneiss (Hornblende/Biotite Gneiss) (Foliated Metamorphic Rock (Quartz-Feldspar-Amphibole/Mica matrix)) — metamorphic

Gneiss (Hornblende/Biotite Gneiss)

Foliated Metamorphic Rock (Quartz-Feldspar-Amphibole/Mica matrix)

Banded Gneiss (Gneiss) — metamorphic

Banded Gneiss

Gneiss

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Gneiss (Metamorphosed Granitic Rock) (Gneiss (composed mainly of quartz, feldspar, biotite, and/or hornblende)) — metamorphic

Gneiss (Metamorphosed Granitic Rock)

Gneiss (composed mainly of quartz, feldspar, biotite, and/or hornblende)

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

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

Granite Gneiss

Gneiss (High-grade Metamorphic Rock)

Gneiss (specifically a water-worn pebble) (Gneiss) — metamorphic

Gneiss (specifically a water-worn pebble)

Gneiss

Gneiss (Gneissic Granite) (Gneiss) — metamorphic

Gneiss (Gneissic Granite)

Gneiss

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

Gneiss

High-grade metamorphic rock (Gneiss)

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

Banded Gneiss

Gneiss (High-grade regional metamorphic rock)

Banded Gneiss (Gneiss (complex metamorphic silicate rock)) — metamorphic

Banded Gneiss

Gneiss (complex metamorphic silicate rock)

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Gneiss (Gneiss (foliated metamorphic rock)) — metamorphic

Gneiss

Gneiss (foliated metamorphic rock)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz River Stone (Silicon Dioxide (SiO2)) — sedimentary

Quartz River Stone

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Sand (Construction Grade) (Unconsolidated siliciclastic sediment (primarily SiO2)) — sedimentary

Sand (Construction Grade)

Unconsolidated siliciclastic sediment (primarily SiO2)

Quartz Sand / Sandstone grains (Silicon Dioxide (SiO2)) — sedimentary

Quartz Sand / Sandstone grains

Silicon Dioxide (SiO2)

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Hematite (Hematite (Fe2O3)) — mineral

Hematite

Hematite (Fe2O3)

Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Gneiss

Gneiss (Metamorphic Rock)

Gneiss (Gneissic Metamorphic Rock) — metamorphic

Gneiss

Gneissic Metamorphic Rock

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

Gneiss (Metamorphic Pebble)

Gneissic Metamorphic Rock

Gneiss (Gneissic Metamorphic Rock) — metamorphic

Gneiss

Gneissic Metamorphic Rock

Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Gneiss

Gneiss (Metamorphic Rock)

Gneiss (Foliated Metamorphic Rock) — metamorphic

Gneiss

Foliated Metamorphic Rock

Gneiss (Gneissic Metamorphic Rock) — metamorphic

Gneiss

Gneissic Metamorphic Rock

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

Gneiss

Gneiss (High-grade metamorphic rock)

Epidote (Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))) — mineral

Epidote

Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

White Quartz (Quartz (Silicon Dioxide, SiO2)) — mineral

White Quartz

Quartz (Silicon Dioxide, SiO2)

Feldspar (Aluminosilicate (KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8)) — mineral

Feldspar

Aluminosilicate (KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz Crystal (Silicon Dioxide (SiO2)) — mineral

Quartz Crystal

Silicon Dioxide (SiO2)