Rock Identifier

Category

Sedimentary And Metamorphic

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

Learn about Sedimentary And Metamorphic in the encyclopedia

Conglomerate

Quartzite Sandstone

Quartzite Sandstone

Metabasalt

Eulysite

Breccia

Ironstone

Anthracite

Metaquartzite

Slate

Marble

Hornfels

Metarhyolite

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Hematite (Iron(III) oxide (Fe2O3)) — mineral

Hematite

Iron(III) oxide (Fe2O3)

Quartz (Gray/Smoky Varieties) (Silicon Dioxide (SiO2)) — mineral

Quartz (Gray/Smoky Varieties)

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

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

Quartz (Milky Quartz)

Quartz (Silicon Dioxide, SiO2)

Calcite (Calcium Carbonate (CaCO3)) — mineral

Calcite

Calcium Carbonate (CaCO3)

Quartz (Quartz (SiO2 - Silicon Dioxide)) — Mineral

Quartz

Quartz (SiO2 - Silicon Dioxide)

Red Jasper (Microcrystalline Quartz (Chalcedony), SiO2) — sedimentary

Red Jasper

Microcrystalline Quartz (Chalcedony), SiO2

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

Magnetite

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

Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Gneiss

Gneiss (Metamorphic Rock)

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)

Yellow Quartzite Pebble (Quartzite (SiO2)) — metamorphic

Yellow Quartzite Pebble

Quartzite (SiO2)

Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Gneiss

Gneiss (Metamorphic Rock)

Gneiss (Foliated Metamorphic Rock) — metamorphic

Gneiss

Foliated Metamorphic Rock

Slate (Slate (Metamorphic Rock)) — metamorphic

Slate

Slate (Metamorphic Rock)

Gneiss (Gneissic Metamorphic Rock) — metamorphic

Gneiss

Gneissic Metamorphic Rock

Marble (Recrystallized Calcite (CaCO3)) — metamorphic

Marble

Recrystallized Calcite (CaCO3)

Ruby Zoisite (Anyolite (Calcium aluminium silicate with Chromium/Corundum inclusions)) — metamorphic

Ruby Zoisite

Anyolite (Calcium aluminium silicate with Chromium/Corundum inclusions)

Schist (Schist (Foliated Metamorphic Rock)) — metamorphic

Schist

Schist (Foliated Metamorphic Rock)

Garnet Schist (Almandine-mica schist) — metamorphic

Garnet Schist

Almandine-mica schist

Tumbled quartz-rich stone, likely milky quartz (Quartz (SiO₂), possibly iron-stained milky quartz or quartzite) — mineral

Tumbled quartz-rich stone, likely milky quartz

Quartz (SiO₂), possibly iron-stained milky quartz or quartzite

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Slate (Slate (foliated metamorphic rock)) — metamorphic

Slate

Slate (foliated metamorphic rock)

Garnet (Almandine variety) (Almandine Garnet (Fe3Al2(SiO4)3)) — mineral

Garnet (Almandine variety)

Almandine Garnet (Fe3Al2(SiO4)3)

Gneiss (Metamorphic Pebble) (Metamorphic Rock (Quartz-Feldspar-Biotite Gneiss)) — metamorphic

Gneiss (Metamorphic Pebble)

Metamorphic Rock (Quartz-Feldspar-Biotite Gneiss)

Quartz Pebble (Silicon dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon dioxide (SiO2)

Amphibolite (Amphibolite (rich in amphibole and plagioclase feldspar)) — metamorphic

Amphibolite

Amphibolite (rich in amphibole and plagioclase feldspar)

Black Slate (Slate (Metamorphic Rock)) — metamorphic

Black Slate

Slate (Metamorphic Rock)

Quartz-rich metamorphic rock, likely quartzite (Quartzite; predominantly microcrystalline quartz (SiO₂), possibly with feldspar, mica, and iron-oxide impurities) — metamorphic

Quartz-rich metamorphic rock, likely quartzite

Quartzite; predominantly microcrystalline quartz (SiO₂), possibly with feldspar, mica, and iron-oxide impurities

Weathered banded metamorphic rock, likely gneiss (Banded gneiss; commonly quartz–feldspar–mica assemblage) — metamorphic

Weathered banded metamorphic rock, likely gneiss

Banded gneiss; commonly quartz–feldspar–mica assemblage

Mica Schist (Mica Schist) — metamorphic

Mica Schist

Mica Schist

Granite Gneiss (Granitoid Gneiss) — metamorphic

Granite Gneiss

Granitoid Gneiss

Mica Schist with Quartz (Mica-Quartz Schist (Muscovite subclass)) — metamorphic

Mica Schist with Quartz

Mica-Quartz Schist (Muscovite subclass)

Banded Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Banded Gneiss

Gneiss (Metamorphic Rock)

Slate (Foliated Metamorphic Slate) — metamorphic

Slate

Foliated Metamorphic Slate

Gneiss (with Quartzite layers) (Gneissic Metamorphic Rock) — metamorphic

Gneiss (with Quartzite layers)

Gneissic Metamorphic Rock

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Blue Kyanite (Kyanite (Al2SiO5)) — metamorphic

Blue Kyanite

Kyanite (Al2SiO5)

Greenschist (Greenschist facies metamorphic rock) — metamorphic

Greenschist

Greenschist facies metamorphic rock

Schist (containing Muscovite Mica and Chlorite) (Mica Schist) — metamorphic

Schist (containing Muscovite Mica and Chlorite)

Mica Schist

Argillite (with Barnacles) (Argillite (metamorphosed mudstone/shale)) — metamorphic

Argillite (with Barnacles)

Argillite (metamorphosed mudstone/shale)