Rock Identifier

Category

Metamorphic Or Igneous (Context Dependent)

Browse metamorphic or igneous (context dependent) specimens identified by the Rock Identifier community.

Learn about Metamorphic Or Igneous (Context Dependent) in the encyclopedia

Carbonatite

Cordierite Hornfels

Cordierite Hornfels

Metabasalt

Eulysite

Migmatite

Anthracite

Hornfels

Metaquartzite

Slate

Marble

Metarhyolite

Metagabbro

Nephrite Jade (Tremolite-Actinolite series (Ca2(Mg,Fe)5Si8O22(OH)2)) — metamorphic

Nephrite Jade

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

Mica-rich Pegmatite (Pegmatite (rich in Muscovite and Biotite)) — igneous

Mica-rich Pegmatite

Pegmatite (rich in Muscovite and Biotite)

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

Muscovite Mica

Muscovite, KAl2(AlSi3O10)(OH)2

Muscovite Mica (Muscovite (Potassium Aluminum Silicate Hydroxide), KAl2(AlSi3O10)(OH)2) — mineral

Muscovite Mica

Muscovite (Potassium Aluminum Silicate Hydroxide), KAl2(AlSi3O10)(OH)2

Pink Feldspar (Potassium Feldspar (KAlSi3O8)) — mineral

Pink Feldspar

Potassium Feldspar (KAlSi3O8)

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

Muscovite Mica

Muscovite [KAl2(AlSi3O10)(OH)2]

Biotite on Quartz Matrix (Biotite - K(Mg,Fe)3(AlSi3O10)(OH,F)2 with Quartz (SiO2)) — mineral

Biotite on Quartz Matrix

Biotite - K(Mg,Fe)3(AlSi3O10)(OH,F)2 with Quartz (SiO2)

Biotite (Mica) (Biotite - K(Mg,Fe)3AlSi3O10(F,OH)2) — mineral

Biotite (Mica)

Biotite - K(Mg,Fe)3AlSi3O10(F,OH)2

Orthoclase Feldspar (Potassium Aluminum Silicate (KAlSi3O8)) — mineral

Orthoclase Feldspar

Potassium Aluminum Silicate (KAlSi3O8)

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

Muscovite Mica

Muscovite - KAl2(AlSi3O10)(OH)2

Ruby Zoisite (Anyolite (Composition of Green Zoisite, Black Tschermakite, and Red Corundum)) — metamorphic

Ruby Zoisite

Anyolite (Composition of Green Zoisite, Black Tschermakite, and Red Corundum)

Epidote (Greenstone) (Calcium aluminum iron silicate hydroxide Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH)) — metamorphic

Epidote (Greenstone)

Calcium aluminum iron silicate hydroxide Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH)

Schist (Metamorphic Rock (Schist)) — metamorphic

Schist

Metamorphic Rock (Schist)

Jasper in Rhyolite matrix (Silicon Dioxide (SiO2) with various inclusions in Felsic Igneous matrix) — igneous

Jasper in Rhyolite matrix

Silicon Dioxide (SiO2) with various inclusions in Felsic Igneous matrix

Epidote (Epidote Group (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))) — metamorphic

Epidote

Epidote Group (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))

Schist (Metamorphic Rock (Schist)) — metamorphic

Schist

Metamorphic Rock (Schist)

Banded Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Banded Gneiss

Gneiss (Metamorphic Rock)

Garnet in Host Rock (Garnet Group (A3B2(SiO4)3)) — metamorphic

Garnet in Host Rock

Garnet Group (A3B2(SiO4)3)

Fuchsite in Quartz (or Emerald in Fuchsite / Verdite) (Chromian Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2) in Quartz Matrix) — metamorphic

Fuchsite in Quartz (or Emerald in Fuchsite / Verdite)

Chromian Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2) in Quartz Matrix

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Lapis Lazuli (Lapis Lazuli (Metamorphic Rock containing Lazurite, Calcite, Pyrite, and Sodalite)) — metamorphic

Lapis Lazuli

Lapis Lazuli (Metamorphic Rock containing Lazurite, Calcite, Pyrite, and Sodalite)

Epidote (Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))) — metamorphic

Epidote

Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))

Garnet (Garnet (X3Y2(SiO4)3)) — mineral

Garnet

Garnet (X3Y2(SiO4)3)

Chert (Jasper or Flint variant) (Chert (composed of microcrystalline quartz, SiO2)) — sedimentary

Chert (Jasper or Flint variant)

Chert (composed of microcrystalline quartz, SiO2)

Milky Quartz (Silicon dioxide (SiO2)) — mineral

Milky Quartz

Silicon dioxide (SiO2)

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

Quartz (Milky or Cloudy Quartz)

Silicon Dioxide (SiO2)

Ferruginous Quartz (Quartz (Silicon Dioxide) - SiO2 with Iron Oxide inclusions) — mineral

Ferruginous Quartz

Quartz (Silicon Dioxide) - SiO2 with Iron Oxide inclusions

Gold in Quartz Ore (Hydrothermal Quartz with native Gold (Au)) — mineral

Gold in Quartz Ore

Hydrothermal Quartz with native Gold (Au)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

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

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

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

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Sodalite (Sodalite (Na8Al6Si6O24Cl2)) — mineral

Sodalite

Sodalite (Na8Al6Si6O24Cl2)

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

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Chalcopyrite (Copper Iron Sulfide (CuFeS2)) — mineral

Chalcopyrite

Copper Iron Sulfide (CuFeS2)

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

Sodalite

Sodalite: Na8(Al6Si6O24)Cl2

Sodalite (Sodalite (Na8Al6Si6O24Cl2)) — mineral

Sodalite

Sodalite (Na8Al6Si6O24Cl2)

Sodalite (Sodalite (Na8Al6Si6O24Cl2)) — mineral

Sodalite

Sodalite (Na8Al6Si6O24Cl2)

Biotite Mica (K(Mg, Fe)3(AlSi3O10)(F, OH)2) — mineral

Biotite Mica

K(Mg, Fe)3(AlSi3O10)(F, OH)2

Quartz (Quartz (SiO₂ - Silicon Dioxide)) — Mineral

Quartz

Quartz (SiO₂ - Silicon Dioxide)

Pink Granite (Phaneritic Granitoid) — igneous

Pink Granite

Phaneritic Granitoid

Serpentine (Antigorite-Lizardite-Chrysotile (Mg3Si2O5(OH)4)) — metamorphic

Serpentine

Antigorite-Lizardite-Chrysotile (Mg3Si2O5(OH)4)