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

Aventurine Quartz (Silicon Dioxide (SiO2) with Fuchsite inclusions) — gemstone

Aventurine Quartz

Silicon Dioxide (SiO2) with Fuchsite inclusions

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Black Tourmaline (Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)) — mineral

Black Tourmaline

Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)

Botryoidal Hematite (Iron Oxide (Fe2O3)) — mineral

Botryoidal Hematite

Iron Oxide (Fe2O3)

Calcite (Calcium Carbonate (CaCO3)) — mineral

Calcite

Calcium Carbonate (CaCO3)

Citrine Quartz (Silicon Dioxide (SiO2) with iron impurities) — mineral

Citrine Quartz

Silicon Dioxide (SiO2) with iron impurities

Yellow Quartz (Citrine Quartz) (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz (Citrine Quartz)

Silicon Dioxide (SiO2)

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

Quartz (Milky/Clear Quartz)

Silicon Dioxide (SiO2)

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

Clear Quartz Crystal Cluster

Silicon Dioxide (SiO2)

Smoky Quartz (Silicon Dioxide (SiO₂)) — mineral

Smoky Quartz

Silicon Dioxide (SiO₂)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Pyrite (Fool's Gold) (Iron Disulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Pink Thulite (in Pumice-like texture) (Pink Zoisite (Mn-bearing Zoisite), Ca2Al3(SiO4)3(OH)) — metamorphic

Pink Thulite (in Pumice-like texture)

Pink Zoisite (Mn-bearing Zoisite), Ca2Al3(SiO4)3(OH)

Green Tourmaline (Elbaite - Na(Li1.5Al1.5)Al6Si6O18(BO3)3(OH)4) — mineral

Green Tourmaline

Elbaite - Na(Li1.5Al1.5)Al6Si6O18(BO3)3(OH)4

Rhodonite (Manganese Silicate (Mn,Fe,Mg,Ca)SiO3) — mineral

Rhodonite

Manganese Silicate (Mn,Fe,Mg,Ca)SiO3

Plagioclase Feldspar (NaAlSi3O8 – CaAlSi2O8 (Sodium-Calcium Aluminum Silicates)) — mineral

Plagioclase Feldspar

NaAlSi3O8 – CaAlSi2O8 (Sodium-Calcium Aluminum Silicates)

Potassium Feldspar (Orthoclase) (KAlSi3O8) — mineral

Potassium Feldspar (Orthoclase)

KAlSi3O8

Serpentine (Antigorite, Lizardite, or Chrysotile; Mg3Si2O5(OH)4) — metamorphic

Serpentine

Antigorite, Lizardite, or Chrysotile; Mg3Si2O5(OH)4

Aquamarine (Beryl (Be3Al2Si6O18)) — mineral

Aquamarine

Beryl (Be3Al2Si6O18)

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

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Ruby (Raw Corundum) (Corundum (Al2O3 with Chromium impurities)) — mineral

Ruby (Raw Corundum)

Corundum (Al2O3 with Chromium impurities)

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

Specular Hematite

Iron(III) oxide (Fe2O3)

Dearest Jewelry (Multigemstone) (Combination of Diamond (C), Emerald (Be3Al2Si6O18), Amethyst/Rock Crystal (SiO2), Ruby (Al2O3), Emerald (Be3Al2Si6O18), Sapphire (Al2O3), and Topaz (Al2SiO4(F,OH)2)) — Mineral

Dearest Jewelry (Multigemstone)

Combination of Diamond (C), Emerald (Be3Al2Si6O18), Amethyst/Rock Crystal (SiO2), Ruby (Al2O3), Emerald (Be3Al2Si6O18), Sapphire (Al2O3), and Topaz (Al2SiO4(F,OH)2)

Banded Agate (Cryptocrystalline variety of Quartz (SiO2)) — mineral

Banded Agate

Cryptocrystalline variety of Quartz (SiO2)

Orthoclase Feldspar (Orthoclase (KAlSi3O8)) — mineral

Orthoclase Feldspar

Orthoclase (KAlSi3O8)

Quartz (Milky Quartz/Citrine Type) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky Quartz/Citrine Type)

Silicon Dioxide (SiO2)

Pyrite (Fool's Gold) (Iron Disulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Aventurine (Silicon Dioxide (SiO2) with inclusions) — mineral

Aventurine

Silicon Dioxide (SiO2) with inclusions

Emerald in Matrix (Quartz/Calcite) (Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities) — mineral

Emerald in Matrix (Quartz/Calcite)

Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities

Quartz (Clear Quartz and Rose Quartz variants) (Silicon Dioxide (SiO2)) — mineral

Quartz (Clear Quartz and Rose Quartz variants)

Silicon Dioxide (SiO2)

Quartz (Milky/Iron-stained) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky/Iron-stained)

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Prasiolite (Green Quartz) (Silicon Dioxide (SiO2) with iron impurities) — mineral

Prasiolite (Green Quartz)

Silicon Dioxide (SiO2) with iron impurities

Blue Calcite (Calcium Carbonate (CaCO3)) — mineral

Blue Calcite

Calcium Carbonate (CaCO3)

Aventurine and Amazonite (Silicon Dioxide (SiO2) with inclusions and Microcline (KAlSi3O8)) — Mineral

Aventurine and Amazonite

Silicon Dioxide (SiO2) with inclusions and Microcline (KAlSi3O8)

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

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

White Agate (resembling Bone Chalcedony) (Cryptocrystalline Quartz (SiO2)) — mineral

White Agate (resembling Bone Chalcedony)

Cryptocrystalline Quartz (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

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

Quartz (Druzy)

Silicon Dioxide (SiO2)

Emerald (Beryl) (Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities) — mineral

Emerald (Beryl)

Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities

Feldspar (Potassium Feldspar (KAlSi3O8)) — mineral

Feldspar

Potassium Feldspar (KAlSi3O8)