Rock Identifier

Category

Sedimentary And Metamorphic Minerals

Browse sedimentary and metamorphic minerals specimens identified by the Rock Identifier community.

Learn about Sedimentary And Metamorphic Minerals in the encyclopedia

Metabasalt

Coal

Metagabbro

Claystone

Calc-Silicate Rock

Calc-Silicate Rock

Shale

Eltyubyuite

Black Shale

Marl

Paracelsian

Schist

Kokchetavite

Mica Schist with Garnet (Almandine-Mica Schist) — metamorphic

Mica Schist with Garnet

Almandine-Mica Schist

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

Gneiss

High-grade metamorphic rock (Gneiss)

Foliated metamorphic rock, likely schist (Mica schist or chlorite schist; composition commonly quartz + mica/chlorite ± feldspar) — metamorphic

Foliated metamorphic rock, likely schist

Mica schist or chlorite schist; composition commonly quartz + mica/chlorite ± feldspar

Magnetite (potentially Lodestone) (Magnetite (Iron(II,III) oxide, Fe3O4)) — mineral

Magnetite (potentially Lodestone)

Magnetite (Iron(II,III) oxide, Fe3O4)

Quartz Boulder (Silicon Dioxide (SiO2)) — mineral

Quartz Boulder

Silicon Dioxide (SiO2)

Slate (Slate; predominantly fine-grained phyllosilicates, commonly muscovite/illite and chlorite with quartz) — metamorphic

Slate

Slate; predominantly fine-grained phyllosilicates, commonly muscovite/illite and chlorite with quartz

Quartz Pebble (Quartz (Silicon Dioxide, SiO2)) — sedimentary

Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

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

Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Pyrite with Quartz (Iron Sulfide (FeS2) with Silicon Dioxide (SiO2)) — mineral

Pyrite with Quartz

Iron Sulfide (FeS2) with Silicon Dioxide (SiO2)

Banded gneiss (likely orthogneiss or paragneiss) (Gneiss; composition commonly quartz + feldspar + mica, with possible amphibole/biotite) — metamorphic

Banded gneiss (likely orthogneiss or paragneiss)

Gneiss; composition commonly quartz + feldspar + mica, with possible amphibole/biotite

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Banded quartz-rich metamorphic rock (likely quartzite or quartz-mica schist) (Quartzite/schist composed chiefly of SiO₂ quartz with mica, feldspar, and iron-oxide or copper-colored accessory minerals) — metamorphic

Banded quartz-rich metamorphic rock (likely quartzite or quartz-mica schist)

Quartzite/schist composed chiefly of SiO₂ quartz with mica, feldspar, and iron-oxide or copper-colored accessory minerals

Gneiss (specifically Banded Gneiss) (Gneiss) — metamorphic

Gneiss (specifically Banded Gneiss)

Gneiss

Yellow Calcite (Polished) (Calcium Carbonate (CaCO3)) — mineral

Yellow Calcite (Polished)

Calcium Carbonate (CaCO3)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Gneiss (High-grade Metamorphic Gneiss) — metamorphic

Gneiss

High-grade Metamorphic Gneiss

Quartz Sand Grain / Micro Crystal (Silicon Dioxide (SiO2)) — mineral

Quartz Sand Grain / Micro Crystal

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz Crystal (Silicon Dioxide (SiO2)) — mineral

Quartz Crystal

Silicon Dioxide (SiO2)

Rhodochrosite (Manganese Carbonate (MnCO3)) — mineral

Rhodochrosite

Manganese Carbonate (MnCO3)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

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

White Quartz (Milky 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 (Milky/Clear variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky/Clear variety)

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

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

Gneiss with Quartz Veining

Gneiss (High-grade Regional Metamorphic Rock)

Mica Schist (Mica Schist) — metamorphic

Mica Schist

Mica Schist

River Rock (Gneiss/Schist mix) (Foliated Metamorphic Rock (Gneiss)) — metamorphic

River Rock (Gneiss/Schist mix)

Foliated Metamorphic Rock (Gneiss)

White Quartz (Silicon Dioxide (SiO2)) — mineral

White Quartz

Silicon Dioxide (SiO2)

Quartz (Rock Crystal) (Silicon Dioxide (SiO2)) — mineral

Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

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

Gneiss

Gneiss (High-grade metamorphic rock)

Biotite gneiss (probable) (Foliated quartz–feldspar–mica gneiss; commonly containing biotite mica, quartz, and plagioclase/alkali feldspar) — metamorphic

Biotite gneiss (probable)

Foliated quartz–feldspar–mica gneiss; commonly containing biotite mica, quartz, and plagioclase/alkali feldspar

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

Gneiss

Gneiss (High-grade metamorphic rock)