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

Likely mica-rich schist (possibly phyllite) (Muscovite–biotite schist; exact identification requires examination of a fresh surface) — metamorphic

Likely mica-rich schist (possibly phyllite)

Muscovite–biotite schist; exact identification requires examination of a fresh surface

Magnetite (Lodestone) (Magnetite (Fe3O4)) — mineral

Magnetite (Lodestone)

Magnetite (Fe3O4)

Magnetite (Iron Ore) (Magnetite (Fe3O4)) — mineral

Magnetite (Iron Ore)

Magnetite (Fe3O4)

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

Quartz Crystal Fragment

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

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

Quartz (Milky/Clear variety)

Silicon Dioxide (SiO2)

Likely graphite-rich schist (Graphite-bearing schist, composed mainly of graphite with possible mica and quartz) — metamorphic

Likely graphite-rich schist

Graphite-bearing schist, composed mainly of graphite with possible mica and quartz

Magnetite (potentially Hematite) (Magnetite (Fe₃O₄)) — mineral

Magnetite (potentially Hematite)

Magnetite (Fe₃O₄)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Banded gneiss (likely amphibolite-bearing gneiss) (Gneiss; quartz–feldspar–mica/amphibole aggregate) — metamorphic

Banded gneiss (likely amphibolite-bearing gneiss)

Gneiss; quartz–feldspar–mica/amphibole aggregate

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz with Iron Inclusions (SiO2) — mineral

Quartz with Iron Inclusions

SiO2

White Quartz (Silicon Dioxide (SiO2)) — mineral

White Quartz

Silicon Dioxide (SiO2)

Quartz (Iron-stained) (Silicon Dioxide (SiO2)) — mineral

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Schist (Mica Schist) — metamorphic

Schist

Mica Schist

Likely biotite-rich schist (Mica schist, likely biotite-rich; exact minerals cannot be confirmed from the photo) — metamorphic

Likely biotite-rich schist

Mica schist, likely biotite-rich; exact minerals cannot be confirmed from the photo

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

Epidote

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

Green Aventurine and Clear Quartz (Aventurine (variety of Quartz - SiO2) and Quartz (SiO2)) — Mineral

Green Aventurine and Clear Quartz

Aventurine (variety of Quartz - SiO2) and Quartz (SiO2)

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

Granite Gneiss

Gneiss (High-grade regional metamorphic rock)

Magnetite (Iron Ore) (Magnetite (Fe3O4)) — mineral

Magnetite (Iron Ore)

Magnetite (Fe3O4)

Banded Gneiss (Gneiss (Metamorphic rock composed of feldspar, quartz, and mica)) — metamorphic

Banded Gneiss

Gneiss (Metamorphic rock composed of feldspar, quartz, and mica)

Quartz pebble with iron staining (SiO2) — mineral

Quartz pebble with iron staining

SiO2

Slate fragment (Slate; predominantly fine-grained mica/clay minerals, commonly muscovite, chlorite, and quartz) — metamorphic

Slate fragment

Slate; predominantly fine-grained mica/clay minerals, commonly muscovite, chlorite, and quartz

Gneiss (foliated metamorphic rock) (Gneiss) — metamorphic

Gneiss (foliated metamorphic rock)

Gneiss

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

Gneiss

Gneiss (High-grade metamorphic rock)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Gneiss

Gneiss (Metamorphic Rock)

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

Banded Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Banded Gneiss

Gneiss (Metamorphic Rock)

Quartz fragment (Quartz (silicon dioxide, SiO₂)) — mineral

Quartz fragment

Quartz (silicon dioxide, SiO₂)

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

Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz pebble (Silicon dioxide (SiO2)) — sedimentary

Quartz pebble

Silicon dioxide (SiO2)

Granitic gneiss (Banded quartz–feldspar–biotite gneiss; compositionally similar to granite) — metamorphic

Granitic gneiss

Banded quartz–feldspar–biotite gneiss; compositionally similar to granite

White Marble (Recrystallized Calcite (CaCO3)) — metamorphic

White Marble

Recrystallized Calcite (CaCO3)