Rock Identifier

Category

Igneous

Browse igneous specimens identified by the Rock Identifier community.

Learn about Igneous in the encyclopedia

Albitite

Alnöite

Andesite

Anorthosite

Apache Tears

Banded Obsidian

Banded Obsidian

Basalt

Black Obsidian

Blue Pearl Granite

Blue Pearl Granite

Boninite

Bostonite

Brown Obsidian

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

Granite

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

Granite Pebble (Granite (Phaneritic intrusive igneous rock)) — igneous

Granite Pebble

Granite (Phaneritic intrusive igneous rock)

Granite (River Pebble) (Phaneritic intrusive igneous rock (Felsic)) — igneous

Granite (River Pebble)

Phaneritic intrusive igneous rock (Felsic)

Granite (Phaneritic Igneous Rock (primarily Quartz, Feldspar, Mica)) — igneous

Granite

Phaneritic Igneous Rock (primarily Quartz, Feldspar, Mica)

Granodiorite with Quartz Veining (Granodiorite (containing Plagioclase Feldspar, Quartz, and Biotite/Hornblende) with Quartz (SiO2) veins) — igneous

Granodiorite with Quartz Veining

Granodiorite (containing Plagioclase Feldspar, Quartz, and Biotite/Hornblende) with Quartz (SiO2) veins

Diorite (possibly Orbicular Diorite or Porphyritic Diorite) (Intermediate Phaneritic Igneous Rock) — igneous

Diorite (possibly Orbicular Diorite or Porphyritic Diorite)

Intermediate Phaneritic Igneous Rock

Pink Granite (River Pebble) (Phaneritic Felsic Igneous Rock) — igneous

Pink Granite (River Pebble)

Phaneritic Felsic Igneous Rock

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

Sodalite

Sodalite, Na8(Al6Si6O24)Cl2

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Serpentinite (Serpentinite (Hydrated magnesium iron phyllosilicate)) — metamorphic

Serpentinite

Serpentinite (Hydrated magnesium iron phyllosilicate)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Amygdaloidal Basalt with Quartz Veining (Basalt (Extrusive Igneous Rock) with Quartz (SiO2) veining) — igneous

Amygdaloidal Basalt with Quartz Veining

Basalt (Extrusive Igneous Rock) with Quartz (SiO2) veining

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Milky Quartz with Iron Staining (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz with Iron Staining

Quartz (Silicon Dioxide, SiO2)

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

Milky Quartz

Crystalline Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

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

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(OH)2)

Gabbro (Plutonic mafic rock) — igneous

Gabbro

Plutonic mafic rock

Milky Quartz (Crystalline Quartz (SiO2)) — mineral

Milky Quartz

Crystalline Quartz (SiO2)

Magnetite / Iron Ore (Magnetite (Fe3O4)) — mineral

Magnetite / Iron Ore

Magnetite (Fe3O4)

Gabbro (Stream-rounded Pebble) (Gabbro (Phaneritic Mafic Igneous Rock)) — igneous

Gabbro (Stream-rounded Pebble)

Gabbro (Phaneritic Mafic Igneous Rock)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

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

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Granite (Phaneritic Igneous Rock) (Granite) — igneous

Granite (Phaneritic Igneous Rock)

Granite

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

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Granite (Granite (Phaneritic Igneous Rock)) — igneous

Granite

Granite (Phaneritic Igneous Rock)

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Granite (Granite (Phaneritic Igneous Rock)) — igneous

Granite

Granite (Phaneritic Igneous Rock)

Magnetite (Magnetite (Fe3O4)) — mineral

Magnetite

Magnetite (Fe3O4)

Pink Granite / K-Feldspar (Alkali feldspar granite / Potassium feldspar (Microcline/Orthoclase)) — igneous

Pink Granite / K-Feldspar

Alkali feldspar granite / Potassium feldspar (Microcline/Orthoclase)

Calcite (Calcium Carbonate (CaCO3)) — mineral

Calcite

Calcium Carbonate (CaCO3)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Granite (Granite (Phaneritic Quartz-Feldspar Intrusive)) — igneous

Granite

Granite (Phaneritic Quartz-Feldspar Intrusive)

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

White Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Diorite (Diorite (plagioclase-rich phaneritic rock)) — igneous

Diorite

Diorite (plagioclase-rich phaneritic rock)

Ferruginous Quartz (Silicon Dioxide (SiO2) with Iron Oxide (Limonite/Hematite)) — mineral

Ferruginous Quartz

Silicon Dioxide (SiO2) with Iron Oxide (Limonite/Hematite)

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

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

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

White Quartz (Milky Quartz)

Silicon Dioxide (SiO2)