Rock Identifier

Category

Igneous Rock

Browse igneous rock specimens identified by the Rock Identifier community.

Learn about Igneous Rock in the encyclopedia

Carbonatite

Rock Gypsum

Coral Rock

Rock Salt

Asphalt Rock

Pyroxenite

Basalt

Diorite

Kimberlite

Troctolite

Gabbro

Norite

Likely basalt or other dark igneous rock (Basalt; predominantly plagioclase feldspar and pyroxene, possibly olivine) — igneous

Likely basalt or other dark igneous rock

Basalt; predominantly plagioclase feldspar and pyroxene, possibly olivine

Fine-grained dark igneous rock, likely basalt (Basalt (approximate identification; commonly plagioclase, pyroxene, and minor olivine)) — igneous

Fine-grained dark igneous rock, likely basalt

Basalt (approximate identification; commonly plagioclase, pyroxene, and minor olivine)

Dark mafic igneous rock, likely basalt or gabbro (Basaltic rock composed chiefly of plagioclase feldspar and pyroxene, with possible olivine and iron-oxide minerals) — igneous

Dark mafic igneous rock, likely basalt or gabbro

Basaltic rock composed chiefly of plagioclase feldspar and pyroxene, with possible olivine and iron-oxide minerals

Dark mafic igneous rock, likely basalt or gabbro (Basalt–gabbroic rock; mainly plagioclase feldspar and pyroxene, possibly olivine or magnetite) — igneous

Dark mafic igneous rock, likely basalt or gabbro

Basalt–gabbroic rock; mainly plagioclase feldspar and pyroxene, possibly olivine or magnetite

Dark mafic igneous rock, likely basalt or gabbro (Basalt–gabbroic rock; chiefly plagioclase feldspar and pyroxene, possibly olivine and iron oxides) — igneous

Dark mafic igneous rock, likely basalt or gabbro

Basalt–gabbroic rock; chiefly plagioclase feldspar and pyroxene, possibly olivine and iron oxides

Peridotite Nodules in Basalt (Xenolith) (Ultramafic Xenolith (Olivine-rich Peridotite in Basalt)) — igneous

Peridotite Nodules in Basalt (Xenolith)

Ultramafic Xenolith (Olivine-rich Peridotite in Basalt)

Granite (Granite) — Igneous

Granite

Granite

Conglomerate (Polymictic conglomerate; rounded clasts cemented in a fine-grained matrix) — sedimentary

Conglomerate

Polymictic conglomerate; rounded clasts cemented in a fine-grained matrix

Quartz Vein in Granite Pebble (Granitic rock with Quartz (SiO2) vein intrusion) — igneous

Quartz Vein in Granite Pebble

Granitic rock with Quartz (SiO2) vein intrusion

Granite or Porphyritic Igneous Rock (weathered) (Granitoid) — Igneous

Granite or Porphyritic Igneous Rock (weathered)

Granitoid

Milky Quartz with Mineral Inclusions (Silicon Dioxide (SiO2) with miscellaneous inclusions) — mineral

Milky Quartz with Mineral Inclusions

Silicon Dioxide (SiO2) with miscellaneous inclusions

Quartz / Quartzite (Silicon Dioxide (SiO2)) — mineral / metamorphic

Quartz / Quartzite

Silicon Dioxide (SiO2)

mineral / metamorphic

Granite (Phaneritic Igneous Rock) (Granite) — igneous

Granite (Phaneritic Igneous Rock)

Granite

Pegmatite (Granitic Pegmatite with Quartz, Feldspar, and Mica) (Granitic Pegmatite) — igneous

Pegmatite (Granitic Pegmatite with Quartz, Feldspar, and Mica)

Granitic Pegmatite

Granite Pebble (Granite) — igneous

Granite Pebble

Granite

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Crushed Granite / Landscaping Gravel (Granitoid) — igneous

Crushed Granite / Landscaping Gravel

Granitoid

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Granite (Intrusive igneous rock) — igneous

Granite

Intrusive igneous rock

Granite Pebble (Intrusive Igneous Rock) — igneous

Granite Pebble

Intrusive Igneous Rock

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Granite (Intrusive Igneous Rock (Felsic)) — igneous

Granite

Intrusive Igneous Rock (Felsic)

Granite (Intrusive igneous rock) — igneous

Granite

Intrusive igneous rock

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

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

Pink Granite / K-Feldspar

Alkali feldspar granite / Potassium feldspar (Microcline/Orthoclase)

Granite Pebble (Intrusive Igneous Rock) — igneous

Granite Pebble

Intrusive Igneous Rock

Granite (Intrusive igneous rock (Felsic)) — igneous

Granite

Intrusive igneous rock (Felsic)

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Granite with Pyrite or Mica (Phaneritic intrusive igneous rock) — igneous

Granite with Pyrite or Mica

Phaneritic intrusive igneous rock

Granite Boulder (Intrusive Igneous Rock) — igneous

Granite Boulder

Intrusive Igneous Rock

Granite Pebble (Phaneritic Igneous Rock) — igneous

Granite Pebble

Phaneritic Igneous Rock

Granite Pebble (Intrusive Igneous Rock) — igneous

Granite Pebble

Intrusive Igneous Rock

Granite River Rock (Intrusive igneous rock (composed mainly of quartz, alkali feldspar, and plagioclase)) — igneous

Granite River Rock

Intrusive igneous rock (composed mainly of quartz, alkali feldspar, and plagioclase)

Granite Pebble (Intrusive Igneous Rock (Quartz, Feldspar, Mica)) — igneous

Granite Pebble

Intrusive Igneous Rock (Quartz, Feldspar, Mica)

Granite Boulder (Intrusive Igneous Rock) — igneous

Granite Boulder

Intrusive Igneous Rock

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

Quartz (Milky/Rose Quartz)

Silicon Dioxide (SiO2)

Granite (Granite (Intrusive Igneous Rock)) — igneous

Granite

Granite (Intrusive Igneous Rock)