Rock Identifier

Category

Igneous

Browse igneous specimens identified by the Rock Identifier community.

Learn about Igneous in the encyclopedia

Sölvsbergite

Sölvsbergite

Mint Obsidian

Mint Obsidian

Minette

Minette

Yellow-Green Obsidian

Yellow-Green Obsidian

Bostonite

Bostonite

Yellow Obsidian

Yellow Obsidian

Tinguaite

Tinguaite

Wonderstone

Wonderstone

Wehrite

Wehrite

Watermelon Obsidian

Watermelon Obsidian

Websterite

Websterite

Variolite

Variolite

Porphyry (Porphyritic Igneous Rock) — igneous

Porphyry

Porphyritic Igneous Rock

Basalt (Mafic Igneous Rock) — igneous

Basalt

Mafic Igneous Rock

River Pebble (Basalt or Gabbro) (Mafic Igneous Rock) — igneous

River Pebble (Basalt or Gabbro)

Mafic Igneous Rock

Basalt (Mafic Igneous Rock) — igneous

Basalt

Mafic Igneous Rock

Basalt (Weathered) (Mafic Igneous Rock) — igneous

Basalt (Weathered)

Mafic Igneous Rock

Basalt (with Iron Staining) (Mafic Igneous Rock) — igneous

Basalt (with Iron Staining)

Mafic Igneous Rock

Basalt (Mafic Igneous Rock) — igneous

Basalt

Mafic Igneous Rock

Basalt (Mafic Igneous Rock) — igneous

Basalt

Mafic Igneous Rock

Basalt (Mafic Igneous Rock) — igneous

Basalt

Mafic Igneous Rock

Weathered Basalt with Iron Staining (Mafic Igneous Rock) — igneous

Weathered Basalt with Iron Staining

Mafic Igneous Rock

Basalt (Vesicular) (Basalt (Extrusive Igneous)) — igneous

Basalt (Vesicular)

Basalt (Extrusive Igneous)

Basalt (Mafic Igneous Pebble) — igneous

Basalt

Mafic Igneous Pebble

Diorite (Polished River Stone) (Intrusive Igneous Diorite) — igneous

Diorite (Polished River Stone)

Intrusive Igneous Diorite

Vesicular Basalt (Mafic Igneous Rock) — igneous

Vesicular Basalt

Mafic Igneous Rock

Basalt (Mafic Igneous Rock) — igneous

Basalt

Mafic Igneous Rock

Basalt with Iron Oxidation (Mafic Igneous Basalt) — igneous

Basalt with Iron Oxidation

Mafic Igneous Basalt

Basalt (Mafic Igneous Basalt) — igneous

Basalt

Mafic Igneous Basalt

Diorite (River Cobble) (Intrusive Igneous Diorite) — igneous

Diorite (River Cobble)

Intrusive Igneous Diorite

Biotite in Host Matrix (Biotite (K(Mg,Fe)3AlSi3O10(F,OH)2)) — mineral

Biotite in Host Matrix

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

Diorite (Salt and Pepper Rock) (Diorite) — igneous

Diorite (Salt and Pepper Rock)

Diorite

Calcite (Calcite (Calcium Carbonate, CaCO3)) — mineral

Calcite

Calcite (Calcium Carbonate, CaCO3)

Natural Gemstone Cabochons (Ruby, Moonstone, Emerald, Citrine) (Ruby (Al2O3:Cr), Moonstone (KAlSi3O8), Emerald (Be3Al2(SiO3)6:Cr), Citrine (SiO2)) — mineral

Natural Gemstone Cabochons (Ruby, Moonstone, Emerald, Citrine)

Ruby (Al2O3:Cr), Moonstone (KAlSi3O8), Emerald (Be3Al2(SiO3)6:Cr), Citrine (SiO2)

Basalt (Basalt) — igneous

Basalt

Basalt

Granite (Granite) — Igneous

Granite

Granite

Hypersthene (Hypersthene ((Mg,Fe)SiO₃)) — Mineral

Hypersthene

Hypersthene ((Mg,Fe)SiO₃)

Dalmation Stone (Dalmation Jasper) (Peralkaline rock (primarily Feldspar and Quartz with Arfvedsonite spots)) — igneous

Dalmation Stone (Dalmation Jasper)

Peralkaline rock (primarily Feldspar and Quartz with Arfvedsonite spots)

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Rhyolite (Leopard Skin Jasper) (Rhyolite (Silicon Dioxide with impurities)) — igneous

Rhyolite (Leopard Skin Jasper)

Rhyolite (Silicon Dioxide with impurities)

Granite (Granite (phaneitic intrusive igneous rock)) — igneous

Granite

Granite (phaneitic intrusive igneous rock)

Quartz in Basalt (Xenocryst) (Silicon Dioxide (SiO2) in Mafic Igneous Volcanic Rock) — Igneous

Quartz in Basalt (Xenocryst)

Silicon Dioxide (SiO2) in Mafic Igneous Volcanic Rock

Granite Pebble (Granite (composed primarily of Quartz SiO2, Feldspar KAlSi3O8, and Biotite/Hornblende)) — igneous

Granite Pebble

Granite (composed primarily of Quartz SiO2, Feldspar KAlSi3O8, and Biotite/Hornblende)

Granite (Granite (Phaneritic Igneous Rock)) — igneous

Granite

Granite (Phaneritic Igneous Rock)

Granite (Felsic Plutonic Rock (Granite)) — igneous

Granite

Felsic Plutonic Rock (Granite)

Granite (Granite) — igneous

Granite

Granite

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

Sodalite

Sodalite, Na8(Al6Si6O24)Cl2

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

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Magnetite (Magnetite (Fe3O4)) — Mineral

Magnetite

Magnetite (Fe3O4)

Granite Pebble (Granite (a plutonic igneous rock composed primarily of quartz, feldspar, and mica/amphibole)) — igneous

Granite Pebble

Granite (a plutonic igneous rock composed primarily of quartz, feldspar, and mica/amphibole)

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

Sodalite

Sodalite, Na8(Al6Si6O24)Cl2

Felsic Igneous Rock (likely Rhyolite or weathered Granite) (Felsic Volcanic/Plutonic Rock) — igneous

Felsic Igneous Rock (likely Rhyolite or weathered Granite)

Felsic Volcanic/Plutonic Rock

Dalmatian Stone (Dalmatian Stone (formerly called Dalmatian Jasper)) — igneous

Dalmatian Stone

Dalmatian Stone (formerly called Dalmatian Jasper)