Rock Identifier

Category

Sedimentary Rock (Metamorphosed)

Browse sedimentary rock (metamorphosed) specimens identified by the Rock Identifier community.

Anthracite Coal (Anthracite (a variety of coal, predominantly carbon)) — Sedimentary Rock (Metamorphosed)

Anthracite Coal

Anthracite (a variety of coal, predominantly carbon)

Sedimentary Rock (Metamorphosed)

Blue Kyanite (Kyanite (Al2SiO5)) — mineral

Blue Kyanite

Kyanite (Al2SiO5)

Greenstone (Metamorphosed Mafic Igneous Rock) — metamorphic

Greenstone

Metamorphosed Mafic Igneous Rock

Quartzite (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite

Metamorphosed Quartz Sandstone (SiO2)

River Rocks (Black) (Various lithologies (e.g., basalt, chert, obsidian for black varieties), mechanically rounded clasts) — Sedimentary

River Rocks (Black)

Various lithologies (e.g., basalt, chert, obsidian for black varieties), mechanically rounded clasts

Marble (White) (Metamorphosed Limestone (mainly CaCO3)) — metamorphic

Marble (White)

Metamorphosed Limestone (mainly CaCO3)

Quartzite with Chert inclusions (Metamorphosed Quartz-rich Rock (SiO2)) — metamorphic

Quartzite with Chert inclusions

Metamorphosed Quartz-rich Rock (SiO2)

Marble (Recrystallized Calcite (CaCO3)) — metamorphic

Marble

Recrystallized Calcite (CaCO3)

Marble (Metamorphosed Limestone/Dolomite) — metamorphic

Marble

Metamorphosed Limestone/Dolomite

Sandstone (Quartzite Pebble) (Arenite / Metamorphosed Sandstone (SiO2)) — sedimentary

Sandstone (Quartzite Pebble)

Arenite / Metamorphosed Sandstone (SiO2)

Jasper with Quartz Veining (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Jasper with Quartz Veining

Silicon Dioxide (SiO2) - Microcrystalline Quartz

River Stone (Quartzite/Siltstone mixture) (Silicon Dioxide (SiO2) based metamorphosed sandstone) — metamorphic or sedimentary

River Stone (Quartzite/Siltstone mixture)

Silicon Dioxide (SiO2) based metamorphosed sandstone

metamorphic or sedimentary

Marble (Recrystallized Calcite (CaCO3) or Dolomite (CaMg(CO3)2)) — metamorphic

Marble

Recrystallized Calcite (CaCO3) or Dolomite (CaMg(CO3)2)

Greenstone / Quartzite Pebble (Metamorphosed Quartz-rich Rock) — metamorphic

Greenstone / Quartzite Pebble

Metamorphosed Quartz-rich Rock

Greenstone (Epidote/Chlorite-rich Metabasalt) (Greenschist / Epidosite (Ca2(Al,Fe)3(SiO4)3(OH))) — metamorphic

Greenstone (Epidote/Chlorite-rich Metabasalt)

Greenschist / Epidosite (Ca2(Al,Fe)3(SiO4)3(OH))

Marble (Recrystallized Calcite (CaCO3) Rock) — metamorphic

Marble

Recrystallized Calcite (CaCO3) Rock

Serpentinite (Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4) — metamorphic

Serpentinite

Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Quartzite with Quartz Vein (Metamorphosed sandstone (SiO2)) — metamorphic

Quartzite with Quartz Vein

Metamorphosed sandstone (SiO2)

Quartzite with Chlorite/Epidote (Metamorphosed Quartzite (SiO2)) — metamorphic

Quartzite with Chlorite/Epidote

Metamorphosed Quartzite (SiO2)

Yellow Quartzite (Metamorphosed Quartz (SiO2)) — metamorphic

Yellow Quartzite

Metamorphosed Quartz (SiO2)

Quartzite (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite

Metamorphosed Quartz Sandstone (SiO2)

Dyed Quartzite (Metamorphosed Quartz (SiO2) with synthetic pigment) — metamorphic

Dyed Quartzite

Metamorphosed Quartz (SiO2) with synthetic pigment

Quartzite River Stone (Quartzite (SiO2)) — metamorphic

Quartzite River Stone

Quartzite (SiO2)

River Pebble (Likely Quartzite or Gneiss) (Metamorphosed Silicate Rock (primarily SiO2)) — metamorphic

River Pebble (Likely Quartzite or Gneiss)

Metamorphosed Silicate Rock (primarily SiO2)

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

Quartzite Pebble

Metamorphosed Quartz Sandstone (SiO2)

Sodalite (Sodalite (Na8Al6Si6O24Cl2)) — Mineral

Sodalite

Sodalite (Na8Al6Si6O24Cl2)

Greenstone (Greenstone River Pebble) (Greenschist (metamorphosed mafic igneous rock)) — metamorphic

Greenstone (Greenstone River Pebble)

Greenschist (metamorphosed mafic igneous rock)

Quartzite with inclusions (Metamorphosed Quartz-rich Rock (SiO2)) — metamorphic

Quartzite with inclusions

Metamorphosed Quartz-rich Rock (SiO2)

Greenstone (Greenschist (metamorphosed mafic igneous rock)) — metamorphic

Greenstone

Greenschist (metamorphosed mafic igneous rock)

Yellow Quartzite Pebble (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Yellow Quartzite Pebble

Metamorphosed Quartz Sandstone (SiO2)

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

Quartzite Pebble

Metamorphosed Quartz Sandstone (SiO2)

Quartzite (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite

Metamorphosed Quartz Sandstone (SiO2)

Quartzite (Iron-stained) (Metamorphosed Quartz-rich Rock (SiO2)) — metamorphic

Quartzite (Iron-stained)

Metamorphosed Quartz-rich Rock (SiO2)

Quartzite (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite

Metamorphosed Quartz Sandstone (SiO2)

Quartzite (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite

Metamorphosed Quartz Sandstone (SiO2)

Quartzite (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite

Metamorphosed Quartz Sandstone (SiO2)

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

Quartzite Pebble

Metamorphosed Quartz Sandstone (SiO2)

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

Quartzite Pebble

Metamorphosed Quartz Sandstone (SiO2)

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

Quartzite Pebble

Metamorphosed Quartz Sandstone (SiO2)

Quartzite (River Pebble) (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite (River Pebble)

Metamorphosed Quartz Sandstone (SiO2)

Quartzite (River Pebble) (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite (River Pebble)

Metamorphosed Quartz Sandstone (SiO2)