Rock Identifier

Category

Sedimentary Or Metamorphic

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

Learn about Sedimentary Or Metamorphic in the encyclopedia

Conglomerate

Conglomerate

Quartzite Sandstone

Quartzite Sandstone

Breccia

Breccia

Ironstone

Ironstone

Metabasalt

Metabasalt

Eulysite

Eulysite

Metaquartzite

Metaquartzite

Slate

Slate

Anthracite

Anthracite

Marble

Marble

Hornfels

Hornfels

Metarhyolite

Metarhyolite

Mica-rich Schist fragment (Mica Schist) — metamorphic

Mica-rich Schist fragment

Mica Schist

Schist (Kyanite Schist) (Kyanite-Mica Schist (primarily Al2SiO5, KAl2(AlSi3O10)(OH)2, and SiO2)) — metamorphic

Schist (Kyanite Schist)

Kyanite-Mica Schist (primarily Al2SiO5, KAl2(AlSi3O10)(OH)2, and SiO2)

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

Quartz (Gravel Pebble)

Silicon Dioxide (SiO2)

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

Gneiss

Gneiss (High-grade metamorphic rock)

Gneiss (foliated metamorphic rock) (Gneiss) — metamorphic

Gneiss (foliated metamorphic rock)

Gneiss

Gneiss (Metamorphic Cobble) (Gneiss) — metamorphic

Gneiss (Metamorphic Cobble)

Gneiss

Mica Schist with Quartz (Mica Schist (principally Muscovite and Biotite with Quartz veins)) — metamorphic

Mica Schist with Quartz

Mica Schist (principally Muscovite and Biotite with Quartz veins)

Green Aventurine (Silicon Dioxide (SiO2) with inclusions of Fuchsite) — metamorphic

Green Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite

Mica Schist (Mica Schist (KAl2(AlSi3O10)(OH)2 / K(Mg,Fe)3AlSi3O10(OH)2)) — metamorphic

Mica Schist

Mica Schist (KAl2(AlSi3O10)(OH)2 / K(Mg,Fe)3AlSi3O10(OH)2)

Mica Schist (Muscovite Schist (KAl2(AlSi3O10)(OH)2)) — metamorphic

Mica Schist

Muscovite Schist (KAl2(AlSi3O10)(OH)2)

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

Gneiss

Gneiss (High-grade Metamorphic Rock)

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

Gneiss

Gneiss (High-grade Metamorphic Rock)

Marble (polished) (Recrystallized Calcite (CaCO3)) — metamorphic

Marble (polished)

Recrystallized Calcite (CaCO3)

Pink Garnet (likely Almandine or Rhodolite) (Garnet Group (Fe3Al2(SiO4)3 to Mg3Al2(SiO4)3)) — mineral

Pink Garnet (likely Almandine or Rhodolite)

Garnet Group (Fe3Al2(SiO4)3 to Mg3Al2(SiO4)3)

White Marble (Recrystallized Calcite (CaCO3)) — metamorphic

White Marble

Recrystallized Calcite (CaCO3)

Almandine Garnet in Matrix (Almandine, Fe3Al2(SiO4)3) — metamorphic

Almandine Garnet in Matrix

Almandine, Fe3Al2(SiO4)3

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Schist (Chlorite or Mica-rich) (Chlorite Schist) — metamorphic

Schist (Chlorite or Mica-rich)

Chlorite Schist

Garnet Schist (Almandine Garnet (Fe3Al2(SiO4)3) in Mica Schist) — metamorphic

Garnet Schist

Almandine Garnet (Fe3Al2(SiO4)3) in Mica Schist

Rhodonite with Manganese Oxides (Rhodonite (Mn,Fe,Mg,Ca)SiO3) — metamorphic

Rhodonite with Manganese Oxides

Rhodonite (Mn,Fe,Mg,Ca)SiO3

Muscovite Schist with Quartz (Mica Schist (KAl2(AlSi3O10)(OH)2 with SiO2)) — metamorphic

Muscovite Schist with Quartz

Mica Schist (KAl2(AlSi3O10)(OH)2 with SiO2)

Fuchsite in Quartz (K(Al,Cr)2(AlSi3O10)(OH)2 (Muscovite with Chromium)) — metamorphic

Fuchsite in Quartz

K(Al,Cr)2(AlSi3O10)(OH)2 (Muscovite with Chromium)

Shungite (Non-crystalline carbon (allotrope of carbon)) — metamorphic

Shungite

Non-crystalline carbon (allotrope of carbon)

Blue Kyanite (Kyanite (Al2SiO5)) — mineral

Blue Kyanite

Kyanite (Al2SiO5)

Muscovite Mica (Muscovite (KAl2(AlSi3O10)(OH)2)) — mineral

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(OH)2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Gneiss (High-grade Metamorphic Gneiss) — metamorphic

Gneiss

High-grade Metamorphic Gneiss

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

Gneiss

Gneiss (High-grade metamorphic rock)

Marble (Recrystallized Calcite (CaCO3) Rock) — metamorphic

Marble

Recrystallized Calcite (CaCO3) Rock

Marble (Recrystallized Calcite (CaCO3)) — metamorphic

Marble

Recrystallized Calcite (CaCO3)

Biotite Schist (Biotite Mica Schist [K(Mg,Fe)3AlSi3O10(OH,F)2]) — metamorphic

Biotite Schist

Biotite Mica Schist [K(Mg,Fe)3AlSi3O10(OH,F)2]

Metaconglomerate (Metaconglomerate (Quartzite conglomerate)) — metamorphic

Metaconglomerate

Metaconglomerate (Quartzite conglomerate)

Kyanite in Quartz (Kyanite (Al2SiO5) with Quartz (SiO2)) — metamorphic

Kyanite in Quartz

Kyanite (Al2SiO5) with Quartz (SiO2)

Gneiss (Gneiss (foliated metamorphic rock)) — metamorphic

Gneiss

Gneiss (foliated metamorphic rock)

Magnetite (Magnetite (Fe3O4)) — Mineral

Magnetite

Magnetite (Fe3O4)

Quartz with Schist Matrix (Crystalline Silicon Dioxide (SiO2) in micaceous schist) — metamorphic

Quartz with Schist Matrix

Crystalline Silicon Dioxide (SiO2) in micaceous schist

Labradorite (a variety of Feldspar) (Labradorite; (Na,Ca)(Al,Si)4O8 (a plagioclase feldspar)) — igneous

Labradorite (a variety of Feldspar)

Labradorite; (Na,Ca)(Al,Si)4O8 (a plagioclase feldspar)

Agate (Silicon dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Agate

Silicon dioxide (SiO2) - Microcrystalline Quartz

Schist (Chlorite/Mica Schist) — metamorphic

Schist

Chlorite/Mica Schist

Gneiss (Metamorphic Rock) (Gneiss) — metamorphic

Gneiss (Metamorphic Rock)

Gneiss

Jasper (Green Jasper/River Stone) (Silicon Dioxide (SiO2) with impurities) — sedimentary

Jasper (Green Jasper/River Stone)

Silicon Dioxide (SiO2) with impurities

Garnet (Almandine) (Almandine (Fe3Al2(SiO4)3)) — metamorphic

Garnet (Almandine)

Almandine (Fe3Al2(SiO4)3)