Rock Identifier

Category

Sedimentary Or Metamorphic (Low Grade)

Browse sedimentary or metamorphic (low grade) specimens identified by the Rock Identifier community.

Learn about Sedimentary Or Metamorphic (Low Grade) in the encyclopedia

Greenschist

Slate

Lignite

Calcilutite

Calcirudite

Grape Garnet

Grape Agate

Granulite

Chlorite Schist

Chlorite Schist

Turbidite

Conglomerate

Greenstone

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

Gneiss

Gneiss (High-grade regional metamorphic rock)

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

Gneiss (specifically Granite Gneiss)

Gneiss (High-grade Regional Metamorphic Rock)

Banded gneiss pebble (Gneiss, chiefly quartz–feldspar–mica with dark biotite/amphibole bands) — metamorphic

Banded gneiss pebble

Gneiss, chiefly quartz–feldspar–mica with dark biotite/amphibole bands

Red Jasper (Quartzite) (Silicon Dioxide (SiO2) with iron oxide inclusions) — mineral

Red Jasper (Quartzite)

Silicon Dioxide (SiO2) with iron oxide inclusions

Bloodstone (Heliotrope (Cryptocrystalline Quartz, SiO2)) — mineral

Bloodstone

Heliotrope (Cryptocrystalline Quartz, SiO2)

Red Jasper (Silicon Dioxide (SiO2) with Iron Oxide inclusions) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Gneiss (Feldspar–quartz–mica gneiss, locally amphibole-bearing) — metamorphic

Gneiss

Feldspar–quartz–mica gneiss, locally amphibole-bearing

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Gneiss (Gneiss (Metamorphic rock dominated by Quartz, Feldspar, and various dark minerals)) — metamorphic

Gneiss

Gneiss (Metamorphic rock dominated by Quartz, Feldspar, and various dark minerals)

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Gneiss (foliated metamorphic rock) (Gneiss) — metamorphic

Gneiss (foliated metamorphic rock)

Gneiss

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Mica Schist (Mica Schist) — metamorphic

Mica Schist

Mica Schist

Banded Gneiss (Gneiss) — metamorphic

Banded Gneiss

Gneiss

Gneiss (specifically Amphibolite Gneiss) (Gneiss) — metamorphic

Gneiss (specifically Amphibolite Gneiss)

Gneiss

Gneiss (Metamorphic Rock) (Gneiss) — metamorphic

Gneiss (Metamorphic Rock)

Gneiss

Garnet-Bearing Gneiss (Almandine-Garnet Gneiss) — metamorphic

Garnet-Bearing Gneiss

Almandine-Garnet Gneiss

Gneiss (specifically a weathered Amphibolite or Garnet Gneiss) (Gneiss (complex silicate composition)) — metamorphic

Gneiss (specifically a weathered Amphibolite or Garnet Gneiss)

Gneiss (complex silicate composition)

Tumbled gneiss (Gneiss, chiefly quartz–feldspar with mica and dark ferromagnesian minerals) — metamorphic

Tumbled gneiss

Gneiss, chiefly quartz–feldspar with mica and dark ferromagnesian minerals

Quartz heart (likely milky/included quartz) (Quartz, silicon dioxide (SiO₂)) — mineral

Quartz heart (likely milky/included quartz)

Quartz, silicon dioxide (SiO₂)

Copper Ore (Malachite and Azurite stained rock) (Cupriferous rock containing secondary copper carbonates) — mineral

Copper Ore (Malachite and Azurite stained rock)

Cupriferous rock containing secondary copper carbonates

Diamond (or Cubic Zirconia) (Carbon (C) or Zirconium Dioxide (ZrO2)) — gemstone

Diamond (or Cubic Zirconia)

Carbon (C) or Zirconium Dioxide (ZrO2)

Gneiss (Metamorphic Gneiss) — metamorphic

Gneiss

Metamorphic Gneiss

Sunstone / Peach Moonstone (Feldspar variety) (Potassium Aluminum Silicate (KAlSi3O8)) — mineral

Sunstone / Peach Moonstone (Feldspar variety)

Potassium Aluminum Silicate (KAlSi3O8)

White Jade (Nephrite) (Nephrite, Ca2(Mg,Fe)5Si8O22(OH)2) — Mineral

White Jade (Nephrite)

Nephrite, Ca2(Mg,Fe)5Si8O22(OH)2

Gneiss with Orthoclase Feldspar (Gneissic Metamorphic Rock with K-Feldspar inclusions) — metamorphic

Gneiss with Orthoclase Feldspar

Gneissic Metamorphic Rock with K-Feldspar inclusions

Banded Gneiss (Metamorphic Gneiss (High-grade regional metamorphism specimen)) — metamorphic

Banded Gneiss

Metamorphic Gneiss (High-grade regional metamorphism specimen)

Red Beryl in Rhyolite (Beryllium Aluminum Cyclosilicate with Quartz/Feldspar matrix (Be3Al2Si6O18)) — mineral

Red Beryl in Rhyolite

Beryllium Aluminum Cyclosilicate with Quartz/Feldspar matrix (Be3Al2Si6O18)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Limonite (Yellow Ochre) (Hydrated iron(III) oxide-hydroxides (FeO(OH)·nH2O)) — mineral

Limonite (Yellow Ochre)

Hydrated iron(III) oxide-hydroxides (FeO(OH)·nH2O)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

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

Granite Gneiss

Gneiss (High-grade regional metamorphic rock)

Banded Gneiss (Gneiss (Metamorphic high-grade rock)) — metamorphic

Banded Gneiss

Gneiss (Metamorphic high-grade rock)

Banded Gneiss (Gneiss (Metamorphic high-grade rock)) — metamorphic

Banded Gneiss

Gneiss (Metamorphic high-grade rock)

Scolecite (Scolecite (CaAl2Si3O10·3H2O)) — mineral

Scolecite

Scolecite (CaAl2Si3O10·3H2O)

Garnet-bearing gneiss (Quartz–feldspar–mica gneiss with iron-rich garnet (commonly almandine)) — metamorphic

Garnet-bearing gneiss

Quartz–feldspar–mica gneiss with iron-rich garnet (commonly almandine)

Mica Schist (Foliated Metamorphic Rock (Schist)) — metamorphic

Mica Schist

Foliated Metamorphic Rock (Schist)