Rock Identifier

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Metamorphic And Igneous Rocks

Browse metamorphic and igneous rocks specimens identified by the Rock Identifier community.

Learn about Metamorphic And Igneous Rocks in the encyclopedia

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Cordierite Hornfels

Cordierite Hornfels

Migmatite

Migmatite

Hornblende Schist

Hornblende Schist

Chlorite Schist

Chlorite Schist

Talc Schist

Talc Schist

Talc-carbonate Rock

Talc-carbonate Rock

Epidosite

Epidosite

Feldspar

Feldspar

Chromite

Chromite

Schorlomite

Schorlomite

Goldmanite

Goldmanite

Kokchetavite

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

mineral
Aventurine (likely Green Aventurine) (Silicon Dioxide (SiO2) with mineral inclusions) — Mineral/Mineraloid within a rock matrix

Aventurine (likely Green Aventurine)

Silicon Dioxide (SiO2) with mineral inclusions

Mineral/Mineraloid within a rock matrix
Likely weathered gneiss or mica-rich schist (Foliated metamorphic rock, probably quartz–feldspar–biotite gneiss/schist) — metamorphic

Likely weathered gneiss or mica-rich schist

Foliated metamorphic rock, probably quartz–feldspar–biotite gneiss/schist

metamorphic
Magnetite with Quartz (Magnetite (Fe3O4)) — mineral

Magnetite with Quartz

Magnetite (Fe3O4)

mineral
Almandine Garnet (Fe3Al2(SiO4)3) — mineral

Almandine Garnet

Fe3Al2(SiO4)3

mineral
Quartz (Smoky Quartz with inclusions) (Silicon Dioxide (SiO2)) — mineral

Quartz (Smoky Quartz with inclusions)

Silicon Dioxide (SiO2)

mineral
Feldspar (Aluminosilicate (KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8)) — mineral

Feldspar

Aluminosilicate (KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8)

mineral
Bronzite (Enstatite with iron (Mg,Fe2)SiO3) — mineral

Bronzite

Enstatite with iron (Mg,Fe2)SiO3

mineral
Quartz pebble (Silicon dioxide (SiO2)) — sedimentary

Quartz pebble

Silicon dioxide (SiO2)

sedimentary
Quartz pebble with iron staining (Silicon dioxide (SiO2) with iron oxide inclusions) — mineral

Quartz pebble with iron staining

Silicon dioxide (SiO2) with iron oxide inclusions

mineral
Quartz pebble (Silicon dioxide (SiO2)) — mineral

Quartz pebble

Silicon dioxide (SiO2)

mineral
Sugilite (Sugilite (KNa2(Fe,Mn,Al)2Li3Si12O30)) — mineral

Sugilite

Sugilite (KNa2(Fe,Mn,Al)2Li3Si12O30)

mineral
Green Aventurine (SiO2) — mineral

Green Aventurine

SiO2

mineral
Peacock Ore (Bornite (Cu5FeS4)) — mineral

Peacock Ore

Bornite (Cu5FeS4)

mineral
Muscovite Mica (Muscovite [KAl2(AlSi3O10)(OH)2]) — mineral

Muscovite Mica

Muscovite [KAl2(AlSi3O10)(OH)2]

mineral
Almandine Garnet (Fe3Al2(SiO4)3) — gemstone

Almandine Garnet

Fe3Al2(SiO4)3

gemstone
Muscovite Mica (KAl2(AlSi3O10)(OH)2) — mineral

Muscovite Mica

KAl2(AlSi3O10)(OH)2

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

Quartz (Clear Quartz)

Silicon Dioxide (SiO2)

mineral
Magnetite (Iron(II,III) oxide (Fe3O4)) — mineral

Magnetite

Iron(II,III) oxide (Fe3O4)

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

Quartz Crystal

Silicon Dioxide (SiO2)

mineral
Zoisite with Ruby (Anyolite) (Zoisite – Ca2Al3(SiO4)3(OH) with inclusions of Ruby (Al2O3:Cr)) — metamorphic

Zoisite with Ruby (Anyolite)

Zoisite – Ca2Al3(SiO4)3(OH) with inclusions of Ruby (Al2O3:Cr)

metamorphic
Muscovite Mica (KAl2(AlSi3O10)(F,OH)2) — mineral

Muscovite Mica

KAl2(AlSi3O10)(F,OH)2

mineral
Garnet (Group of silicate minerals (e.g., Almandine: Fe3Al2(SiO4)3)) — gemstone

Garnet

Group of silicate minerals (e.g., Almandine: Fe3Al2(SiO4)3)

gemstone
Almandine Garnet (Almandine (Fe3Al2(SiO4)3)) — gemstone

Almandine Garnet

Almandine (Fe3Al2(SiO4)3)

gemstone
Milky quartz (Quartz (silicon dioxide, SiO₂)) — mineral

Milky quartz

Quartz (silicon dioxide, SiO₂)

mineral
Magnetite (Magnetite (Fe3O4)) — Mineral

Magnetite

Magnetite (Fe3O4)

Mineral
Calcite (Calcium Carbonate (CaCO3)) — mineral

Calcite

Calcium Carbonate (CaCO3)

mineral
Black Spinel (Magnesium Aluminum Oxide (MgAl2O4)) — mineral

Black Spinel

Magnesium Aluminum Oxide (MgAl2O4)

mineral
Likely feldspar-rich rock (possibly potassium feldspar) (Probably orthoclase or microcline, KAlSi₃O₈; identification from the image is uncertain) — mineral

Likely feldspar-rich rock (possibly potassium feldspar)

Probably orthoclase or microcline, KAlSi₃O₈; identification from the image is uncertain

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

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

mineral
Green Gneiss (Metamorphic Gneiss) — metamorphic

Green Gneiss

Metamorphic Gneiss

metamorphic
Quartz Crystal (Silicon Dioxide (SiO2)) — mineral

Quartz Crystal

Silicon Dioxide (SiO2)

mineral
Green Aventurine (Quartz (Silicon Dioxide, SiO2) with fuchsite inclusions) — mineral

Green Aventurine

Quartz (Silicon Dioxide, SiO2) with fuchsite inclusions

mineral
White Sapphire (Corundum (Al2O3)) — mineral

White Sapphire

Corundum (Al2O3)

mineral
White Sapphire (Corundum (Al2O3)) — mineral

White Sapphire

Corundum (Al2O3)

mineral
Schist (Metamorphic Schist) — metamorphic

Schist

Metamorphic Schist

metamorphic
Sodalite (Na8(Al6Si6O24)Cl2) — mineral

Sodalite

Na8(Al6Si6O24)Cl2

mineral
Onyx (Agate) or Black Spinel/Glass (SiO2 (Silicon dioxide) if onyx/agate) — gemstone

Onyx (Agate) or Black Spinel/Glass

SiO2 (Silicon dioxide) if onyx/agate

gemstone
Sodalite (Na8(Al6Si6O24)Cl2) — mineral

Sodalite

Na8(Al6Si6O24)Cl2

mineral
Sodalite (Sodalite: Na8(Al6Si6O24)Cl2) — mineral

Sodalite

Sodalite: Na8(Al6Si6O24)Cl2

mineral
Prehnite (Calcium aluminum silicate hydroxide, Ca2Al(AlSi3O10)(OH)2) — mineral

Prehnite

Calcium aluminum silicate hydroxide, Ca2Al(AlSi3O10)(OH)2

mineral
Potassium Feldspar (Orthoclase / Microcline) (KAlSi3O8) — mineral

Potassium Feldspar (Orthoclase / Microcline)

KAlSi3O8

mineral