Rock Identifier

Category

Metamorphic

Browse metamorphic specimens identified by the Rock Identifier community.

Learn about Metamorphic in the encyclopedia

Adinole

Amphibolite

Anthracite

Biotite Schist

Blueschist

Calc-Silicate Rock

Calc-Silicate Rock

Calc-schist

Cataclasite

Chlorite Schist

Chlorite Schist

Cipollino Marble

Cipollino Marble

Cordierite Hornfels

Cordierite Hornfels

Eclogite

Mica Schist (Schist (Muscovite/Biotite Schist)) — metamorphic

Mica Schist

Schist (Muscovite/Biotite Schist)

Eclogite (Eclogite (omphacite-garnet rock)) — metamorphic

Eclogite

Eclogite (omphacite-garnet rock)

Quartzite (Quartzite (chiefly SiO2)) — metamorphic

Quartzite

Quartzite (chiefly SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Quartzite (Quartzite (principally Silicon Dioxide, SiO2)) — metamorphic

Quartzite

Quartzite (principally Silicon Dioxide, SiO2)

Quartzite and Quartz Pebbles (Tectosilicate - Silicon Dioxide (SiO2)) — metamorphic

Quartzite and Quartz Pebbles

Tectosilicate - Silicon Dioxide (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Nephrite Jade (Yellow Skin) (Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)) — metamorphic

Nephrite Jade (Yellow Skin)

Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)

Nephrite Jade (Hetian Yu) (Tremolite-Actinolite solid solution Ca2(Mg,Fe)5Si8O22(OH)2) — metamorphic

Nephrite Jade (Hetian Yu)

Tremolite-Actinolite solid solution Ca2(Mg,Fe)5Si8O22(OH)2

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite River Rock (Quartzite (SiO2)) — metamorphic

Quartzite River Rock

Quartzite (SiO2)

Pink Quartzite (Quartzite (SiO2) with trace Iron Oxides) — metamorphic

Pink Quartzite

Quartzite (SiO2) with trace Iron Oxides

Quartzite Pebble (Quartzite (mostly SiO2)) — metamorphic

Quartzite Pebble

Quartzite (mostly SiO2)

Banded Chert or Unakite-like Rock (Epidotized Granulite or Jasperoid Chert) — metamorphic

Banded Chert or Unakite-like Rock

Epidotized Granulite or Jasperoid Chert

Serpentinite (Serpentinite (composed largely of serpentine group minerals including Antigorite, Lizardite, and Chrysotile, (Mg,Fe)3Si2O5(OH)4)) — metamorphic

Serpentinite

Serpentinite (composed largely of serpentine group minerals including Antigorite, Lizardite, and Chrysotile, (Mg,Fe)3Si2O5(OH)4)

River Pebble (likely Quartzite or Diorite) (Metamorphosed Quartz-rich Rock / Intermediate Igneous Rock) — metamorphic

River Pebble (likely Quartzite or Diorite)

Metamorphosed Quartz-rich Rock / Intermediate Igneous Rock

Anthracite Coal (Anthracite) — metamorphic

Anthracite Coal

Anthracite

Red Quartzite Pebble (Quartzite (SiO2)) — metamorphic

Red Quartzite Pebble

Quartzite (SiO2)

Quartzite Cobble (Quartzite (SiO2)) — metamorphic

Quartzite Cobble

Quartzite (SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite Pebble (Quartzite (primarily SiO2)) — metamorphic

Quartzite Pebble

Quartzite (primarily SiO2)

Quartzite Pebble (Quartzite (SiO2 with minor iron impurities)) — metamorphic

Quartzite Pebble

Quartzite (SiO2 with minor iron impurities)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite Pebble (Meta-quartzite) — metamorphic

Quartzite Pebble

Meta-quartzite

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite Pebble (Quartzite (primarily SiO2)) — metamorphic

Quartzite Pebble

Quartzite (primarily SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite Pebble (Quartzite (SiO2)) — metamorphic

Quartzite Pebble

Quartzite (SiO2)

Green Aventurine (SiO2 (Quartz) with inclusions of Fuchsite) — metamorphic

Green Aventurine

SiO2 (Quartz) with inclusions of Fuchsite

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Lepidolite in Pegmatite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (Lepidolite)) — metamorphic

Lepidolite in Pegmatite

K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (Lepidolite)

Quartzite pebble (Crystalline silica (SiO2)) — metamorphic

Quartzite pebble

Crystalline silica (SiO2)

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

Quartzite Pebble (Quartzite (primarily SiO2)) — metamorphic

Quartzite Pebble

Quartzite (primarily SiO2)

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

Green Aventurine

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

Unakite (Epidotized Granite) — metamorphic

Unakite

Epidotized Granite

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

Quartzite

Quartzite (composed primarily of Quartz, SiO2)

Quartzite (Quartzite (predominantly Silicon Dioxide, SiO2)) — metamorphic

Quartzite

Quartzite (predominantly Silicon Dioxide, SiO2)