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

Granite (Granite (composed of Quartz, Alkali Feldspar, and Plagioclase)) — igneous

Granite

Granite (composed of Quartz, Alkali Feldspar, and Plagioclase)

Black Obsidian (Obsidian (Volcanic Glass)) — igneous

Black Obsidian

Obsidian (Volcanic Glass)

Dalmatian Jasper (Peralkaline Quartz Feldspar Porphyry) — igneous

Dalmatian Jasper

Peralkaline Quartz Feldspar Porphyry

Dalmatian Jasper (Peralkaline rhyolite) — igneous

Dalmatian Jasper

Peralkaline rhyolite

Polished green stone, likely serpentine or altered basalt (Serpentine-group minerals, chiefly Mg₃Si₂O₅(OH)₄; exact identification requires testing) — metamorphic

Polished green stone, likely serpentine or altered basalt

Serpentine-group minerals, chiefly Mg₃Si₂O₅(OH)₄; exact identification requires testing

Weathered limestone or calcitic cave deposit (Calcite (CaCO₃), likely porous limestone/travertine) — sedimentary

Weathered limestone or calcitic cave deposit

Calcite (CaCO₃), likely porous limestone/travertine

Granite Pebble (Felsic intrusive igneous rock) — igneous

Granite Pebble

Felsic intrusive igneous rock

Basalt (Mafic extrusive igneous rock) — igneous

Basalt

Mafic extrusive igneous rock

Granite Pebble (Granite (Plutonic Igneous Rock)) — igneous

Granite Pebble

Granite (Plutonic Igneous Rock)

Basalt Pebble (Extrusive Igneous Rock / Basalt) — igneous

Basalt Pebble

Extrusive Igneous Rock / Basalt

Basalt (Extrusive mafic igneous rock) — igneous

Basalt

Extrusive mafic igneous rock

Basalt (Extrusive mafic igneous rock) — igneous

Basalt

Extrusive mafic igneous rock

Pink Granite (Granite (Felsic Plutonic Rock)) — igneous

Pink Granite

Granite (Felsic Plutonic Rock)

Dalmatian Stone (Dalmatian Jasper (Aplitic Rock)) — igneous

Dalmatian Stone

Dalmatian Jasper (Aplitic Rock)

Basalt Pebble (Extrusive Igneous Rock (Mafic)) — igneous

Basalt Pebble

Extrusive Igneous Rock (Mafic)

Porphyritic Basalt or Porphyritic Andesite (Porphyritic Extrusive Igneous Rock) — igneous

Porphyritic Basalt or Porphyritic Andesite

Porphyritic Extrusive Igneous Rock

Basalt (Extrusive mafic igneous rock) — igneous

Basalt

Extrusive mafic igneous rock

Vesicular Basalt (or Scoria) (Extrusive Igneous Rock (Mafic)) — igneous

Vesicular Basalt (or Scoria)

Extrusive Igneous Rock (Mafic)

Vesicular Basalt (Extrusive mafic igneous rock) — igneous

Vesicular Basalt

Extrusive mafic igneous rock

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Granite Pebble (Granite (Plutonic Igneous Rock)) — igneous

Granite Pebble

Granite (Plutonic Igneous Rock)

Basalt (Mafic extrusive igneous rock) — igneous

Basalt

Mafic extrusive igneous rock

Granite (Granite) — igneous

Granite

Granite

Granite (Phaneritic Intrusive Igneous Rock (Granite)) — igneous

Granite

Phaneritic Intrusive Igneous Rock (Granite)

Basalt (Extrusive mafic igneous rock) — igneous

Basalt

Extrusive mafic igneous rock

Basalt (Mafic extrusive igneous rock) — igneous

Basalt

Mafic extrusive igneous rock

Greenstone (Epidosite/Altered Diorite) (Metabasalt or Meta-andesite / Epidotized Diorite) — metamorphic

Greenstone (Epidosite/Altered Diorite)

Metabasalt or Meta-andesite / Epidotized Diorite

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Basalt (Mafic extrusive igneous rock) — igneous

Basalt

Mafic extrusive igneous rock

Basalt (Mafic extrusive igneous rock) — igneous

Basalt

Mafic extrusive igneous rock

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Gabbro or Diorite with Quartz/Epidote Vein (Intrusive Igneous Rock (Plutonic)) — igneous

Gabbro or Diorite with Quartz/Epidote Vein

Intrusive Igneous Rock (Plutonic)

Basalt (Aphanitic Mafic Igneous Rock) — igneous

Basalt

Aphanitic Mafic Igneous Rock

Granite Cobble (Phaneritic Felsic Igneous Rock) — igneous

Granite Cobble

Phaneritic Felsic Igneous Rock

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Diorite (Intermediate plutonic igneous rock) — igneous

Diorite

Intermediate plutonic igneous rock

Granite Pebble (Phaneritic intrusive igneous rock) — igneous

Granite Pebble

Phaneritic 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

Dalmatian Stone (Dalmatian Jasper (Peralkaline Quartz-Feldspar Rock)) — igneous

Dalmatian Stone

Dalmatian Jasper (Peralkaline Quartz-Feldspar Rock)

Peridotite (Ultramafic intrusive igneous rock) — igneous

Peridotite

Ultramafic intrusive igneous rock