Rock Identifier

Category

Metamorphic (Man Made)

Browse metamorphic (man made) specimens identified by the Rock Identifier community.

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

Quartzite (River Cobble)

Metamorphosed Quartz Sandstone (SiO2)

Quartzite Pebble (Quartzite (SiO2)) — metamorphic

Quartzite Pebble

Quartzite (SiO2)

Quartzite (Quartzite (composed primarily of Quartz, SiO2)) — metamorphic

Quartzite

Quartzite (composed primarily of Quartz, SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Pink Quartzite (Quartzite (primarily SiO2)) — metamorphic

Pink Quartzite

Quartzite (primarily SiO2)

Quartzite (tumbled or water-worn) (Quartzite (composition: SiO2)) — metamorphic

Quartzite (tumbled or water-worn)

Quartzite (composition: SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

White Marble (Recrystallized Calcite (CaCO3)) — metamorphic

White Marble

Recrystallized Calcite (CaCO3)

Quartzite (Hydrothermal Quartz or Quartzite (SiO2)) — metamorphic

Quartzite

Hydrothermal Quartz or Quartzite (SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

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

Quartzite Pebble

Metamorphosed Quartz Sandstone (SiO2)

Quartzite (Milky Quartz Cobble) (Silicon Dioxide (SiO2)) — Metamorphic

Quartzite (Milky Quartz Cobble)

Silicon Dioxide (SiO2)

Quartz Veined Rock (Likely Graywacke or Quartzite) (Silicon Dioxide (SiO2) veins in Metasedimentary matrix) — metamorphic

Quartz Veined Rock (Likely Graywacke or Quartzite)

Silicon Dioxide (SiO2) veins in Metasedimentary matrix

Red Quartzite River Pebble (Quartzite (SiO2 with iron oxide inclusions)) — metamorphic

Red Quartzite River Pebble

Quartzite (SiO2 with iron oxide inclusions)

Greenstone (Protolith of basalt, diabase, or gabbro; often contains minerals like chlorite, actinolite, and epidote) — metamorphic

Greenstone

Protolith of basalt, diabase, or gabbro; often contains minerals like chlorite, actinolite, and epidote

River Cobble (Phyllite or Quartzite) (Metasedimentary Rock (often containing SiO2 or KAl2(AlSi3O10)(OH)2)) — metamorphic

River Cobble (Phyllite or Quartzite)

Metasedimentary Rock (often containing SiO2 or KAl2(AlSi3O10)(OH)2)

Quartzite (Iron-stained) (Quartzite (primarily SiO2)) — metamorphic

Quartzite (Iron-stained)

Quartzite (primarily SiO2)

Quartzite (Quartzite (SiO2 silicon dioxide)) — metamorphic

Quartzite

Quartzite (SiO2 silicon dioxide)

Quartzite Pebble (with Quartz veins) (Quartzite (SiO2)) — metamorphic

Quartzite Pebble (with Quartz veins)

Quartzite (SiO2)

Blue Quartzite (Aventurine variety) (Silicon Dioxide (SiO2) with inclusions of Dumortierite or Magnesio-riebeckite) — metamorphic

Blue Quartzite (Aventurine variety)

Silicon Dioxide (SiO2) with inclusions of Dumortierite or Magnesio-riebeckite

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

Greenstone

Greenschist (metamorphosed mafic igneous rock)

Quartzite Cobble (Metamorphosed Quartz Sandstone (primarily SiO2)) — metamorphic

Quartzite Cobble

Metamorphosed Quartz Sandstone (primarily SiO2)

Serpentine (variety: Serpentine Rock) (Antigorite, Lizardite, or Chrysotile; formula generally (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4) — metamorphic

Serpentine (variety: Serpentine Rock)

Antigorite, Lizardite, or Chrysotile; formula generally (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4

Serpentine (Serpentinite) (Antigorite, Lizardite, or Chrysotile (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4) — metamorphic

Serpentine (Serpentinite)

Antigorite, Lizardite, or Chrysotile (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4

Serpentinite (Serpentinite (complex silicate minerals including Lizardite, Antigorite, and Chrysotile)) — metamorphic

Serpentinite

Serpentinite (complex silicate minerals including Lizardite, Antigorite, and Chrysotile)

Serpentinite (Serpentinite (composed primarily of Serpentine group minerals, (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4)) — metamorphic

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals, (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4)

Serpentine (Antigorite / Lizardite / Chrysotile (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4) — metamorphic

Serpentine

Antigorite / Lizardite / Chrysotile (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4

Petrified Wood (Silicified Wood (SiO2)) — metamorphic

Petrified Wood

Silicified Wood (SiO2)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Granite Pebble (Granite (composed primarily of Quartz, Feldspar, and Mica)) — igneous

Granite Pebble

Granite (composed primarily of Quartz, Feldspar, and Mica)

Limestone Pebble (Sedimentary Calcium Carbonate (CaCO3)) — sedimentary

Limestone Pebble

Sedimentary Calcium Carbonate (CaCO3)

Quartz in Matrix (possibly with Biotite or Hornblende) (Quartz (Silicon Dioxide, SiO2) in Granitic Matrix) — igneous

Quartz in Matrix (possibly with Biotite or Hornblende)

Quartz (Silicon Dioxide, SiO2) in Granitic Matrix

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

Banded Gneiss

Gneiss (High-grade regional metamorphic rock)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

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

Clear Quartz

Silicon Dioxide (SiO2) / Rock Crystal

Blue Kyanite (Kyanite (Al2SiO5)) — mineral

Blue Kyanite

Kyanite (Al2SiO5)

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

Quartz (Common or Milky)

Silicon Dioxide (SiO2)

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

Quartz (Milky/Smoky variety)

Silicon Dioxide (SiO2)

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)