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

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

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

Milky Quartz (Vein Quartz)

Silicon Dioxide (SiO2)

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

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

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

Hematite

Iron(III) oxide (Fe2O3)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

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

Clear Quartz (Rock Crystal)

Quartz (Silicon Dioxide, SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

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

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

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

Quartz (Milky or White Quartz)

Silicon Dioxide (SiO2)

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

Quartz (Milky/Crystal variety)

Silicon Dioxide (SiO2)

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

Magnetite (Iron Ore)

Magnetite (Fe3O4)

Calcite (Calcium Carbonate (CaCO3)) — mineral

Calcite

Calcium Carbonate (CaCO3)

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

Quartz (Small Fragment)

Silicon Dioxide (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

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

Quartz (Iron-Stained)

Silicon Dioxide (SiO2)

Granite Gneiss (Metamorphic Rock (Quartz, Potassium Feldspar, Plagioclase, Biotite/Amphibole)) — metamorphic

Granite Gneiss

Metamorphic Rock (Quartz, Potassium Feldspar, Plagioclase, Biotite/Amphibole)

Banded Quartzite (Quartzite (primarily SiO2)) — metamorphic

Banded Quartzite

Quartzite (primarily SiO2)

Manhattan Schist (Manhattan Schist (Aluminous Metasedimentary Rock)) — metamorphic

Manhattan Schist

Manhattan Schist (Aluminous Metasedimentary Rock)

White Marble (Industrial/Architectural) (Recrystallized Calcite (CaCO3)) — metamorphic

White Marble (Industrial/Architectural)

Recrystallized Calcite (CaCO3)

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

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

Gneiss

High-grade metamorphic rock (Gneiss)

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

Banded Gneiss

Gneiss (High-grade Metamorphic Rock)

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

Gneiss

Gneiss (High-grade Metamorphic Rock)

Anthracite Coal (Anthracite (Carbon-rich metamorphic coal)) — metamorphic

Anthracite Coal

Anthracite (Carbon-rich metamorphic coal)

River Cobble (Quartzite or Gneiss) (Metamorphic crystalline rock (predominantly SiO2 based)) — metamorphic

River Cobble (Quartzite or Gneiss)

Metamorphic crystalline rock (predominantly SiO2 based)

Quartz on Schist (Silicon Dioxide (SiO2) on Foliated Metamorphic Rock) — metamorphic

Quartz on Schist

Silicon Dioxide (SiO2) on Foliated Metamorphic Rock

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

Muscovite Schist

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

Anthracite coal (Anthracite; predominantly carbon (C), with minor mineral ash) — metamorphic

Anthracite coal

Anthracite; predominantly carbon (C), with minor mineral ash

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Quartzite Pebble (Metamorphosed Quartz-rich Sandstone (SiO2)) — metamorphic

Quartzite Pebble

Metamorphosed Quartz-rich Sandstone (SiO2)

Quartzite (Quartzite (containing SiO2)) — metamorphic

Quartzite

Quartzite (containing SiO2)

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Gneissic River Pebble (Gneiss) — metamorphic

Gneissic River Pebble

Gneiss

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

Green Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

Quartzite with inclusions (Quartzite (SiO2)) — metamorphic

Quartzite with inclusions

Quartzite (SiO2)

Orange Quartzite (Tumbled) (Quartzite (SiO2)) — metamorphic

Orange Quartzite (Tumbled)

Quartzite (SiO2)

Blue Quartz (Aventurine) (Silicon Dioxide (SiO2) with Crocidolite or Magnesio-riebeckite inclusions) — metamorphic

Blue Quartz (Aventurine)

Silicon Dioxide (SiO2) with Crocidolite or Magnesio-riebeckite inclusions

Anthracite Coal (Anthracite (Carbon based fossil fuel)) — metamorphic

Anthracite Coal

Anthracite (Carbon based fossil fuel)

Green Aventurine (Silicon Dioxide with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)) — metamorphic

Green Aventurine

Silicon Dioxide with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)

Pink Quartzite (Quartzite (SiO2 with iron oxide inclusions)) — metamorphic

Pink Quartzite

Quartzite (SiO2 with iron oxide inclusions)

Quartz Pebble with Host Rock / Schist Matrix (Silicon Dioxide (SiO2) with Metamorphic Host Rock) — sedimentary

Quartz Pebble with Host Rock / Schist Matrix

Silicon Dioxide (SiO2) with Metamorphic Host Rock

Agate (Silicon Dioxide (Chalcedony), SiO2) — sedimentary

Agate

Silicon Dioxide (Chalcedony), SiO2