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

Basalt River Pebble (Basalt (Mafic Volcanic Rock)) — igneous

Basalt River Pebble

Basalt (Mafic Volcanic Rock)

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

Granite

Granite (Feldspar-Quartz-Mica Intrusive)

Basalt Gravel (Basalt) — igneous

Basalt Gravel

Basalt

Basalt (Basalt (Aphanitic Mafic Volcanic Rock)) — igneous

Basalt

Basalt (Aphanitic Mafic Volcanic Rock)

Que Sera Stone (Llanite) (Rhyolite porphyry with blue quartz inclusions) — igneous

Que Sera Stone (Llanite)

Rhyolite porphyry with blue quartz inclusions

Granite (Granite) — igneous

Granite

Granite

Granite (Phaneritic Plutonic Felsic Rock (SiO2, KAlSi3O8, NaAlSi3O8)) — igneous

Granite

Phaneritic Plutonic Felsic Rock (SiO2, KAlSi3O8, NaAlSi3O8)

Obsidian (Volcanic glass) — igneous

Obsidian

Volcanic glass

Pumice (Pumice (extrusive volcanic rock)) — igneous

Pumice

Pumice (extrusive volcanic rock)

Obsidian (Obsidian (Volcanic Glass)) — igneous

Obsidian

Obsidian (Volcanic Glass)

Basalt (Aphanitic Mafic Volcanic Rock (Fe/Mg rich)) — igneous

Basalt

Aphanitic Mafic Volcanic Rock (Fe/Mg rich)

Basalt River Pebble (Basalt) — igneous

Basalt River Pebble

Basalt

Granite (Granite (Phaneritic Quartz Monzonite)) — igneous

Granite

Granite (Phaneritic Quartz Monzonite)

Bull Quartz with Mica and Host Rock (Massive Quartz (SiO2) with Muscovite/Chlorite inclusions) — igneous

Bull Quartz with Mica and Host Rock

Massive Quartz (SiO2) with Muscovite/Chlorite inclusions

Basalt with Weathering Rind (Basalt (Mafic volcanic rock)) — igneous

Basalt with Weathering Rind

Basalt (Mafic volcanic rock)

Basalt pebble (Aphanitic Mafic Volcanic Rock (Fe/Mg rich)) — igneous

Basalt pebble

Aphanitic Mafic Volcanic Rock (Fe/Mg rich)

Gravel (likely Basalt or Greywacke) (Basalt (Mafic volcanic rock)) — igneous

Gravel (likely Basalt or Greywacke)

Basalt (Mafic volcanic rock)

Basalt (Vesicular) (Basalt) — igneous

Basalt (Vesicular)

Basalt

Basalt River Stone (Basalt (Mafic volcanic rock)) — igneous

Basalt River Stone

Basalt (Mafic volcanic rock)

Gabbro (Gabbro (Mg,Fe)2Si2O6 and CaAl2Si2O8) — igneous

Gabbro

Gabbro (Mg,Fe)2Si2O6 and CaAl2Si2O8

Basalt (Mafic Volcanic Rock) — igneous

Basalt

Mafic Volcanic Rock

Scoria (Lava Rock) (Vesicular Basalt / Scoria) — igneous

Scoria (Lava Rock)

Vesicular Basalt / Scoria

Granodiorite (Granodiorite (intermediate plutonic rock)) — igneous

Granodiorite

Granodiorite (intermediate plutonic rock)

Porphyritic Basalt (Basalt (Mafic volcanic rock)) — igneous

Porphyritic Basalt

Basalt (Mafic volcanic rock)

Black Obsidian cabochon (Volcanic Glass (SiO2 + impurities)) — igneous

Black Obsidian cabochon

Volcanic Glass (SiO2 + impurities)

Gold Sheen Obsidian (Volcanic Glass (SiO2 + impurities)) — igneous

Gold Sheen Obsidian

Volcanic Glass (SiO2 + impurities)

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Vesicular Basalt (Vesicular Basalt) — igneous

Vesicular Basalt

Vesicular Basalt

Basalt River Pebble (Aphanitic Mafic Volcanic Rock (Basalt)) — igneous

Basalt River Pebble

Aphanitic Mafic Volcanic Rock (Basalt)

Basalt (Basalt) — igneous

Basalt

Basalt

Quartz with Mica (Pegmatite) (Silicon Dioxide (SiO2) with Potassium Aluminum Silicate Hydroxide (KAl2(AlSi3O10)(OH,F)2)) — igneous

Quartz with Mica (Pegmatite)

Silicon Dioxide (SiO2) with Potassium Aluminum Silicate Hydroxide (KAl2(AlSi3O10)(OH,F)2)

Diorite (Phaneritic intermediate plutonic rock) — igneous

Diorite

Phaneritic intermediate plutonic rock

Obsidian (Obsidian (Volcanic Glass)) — igneous

Obsidian

Obsidian (Volcanic Glass)

Basalt (Extrusive mafic volcanic rock) — igneous

Basalt

Extrusive mafic volcanic rock

Vesicular Basalt (Lava Rock) (Vesicular Basalt (comprising plagioclase feldspar and pyroxene group minerals)) — igneous

Vesicular Basalt (Lava Rock)

Vesicular Basalt (comprising plagioclase feldspar and pyroxene group minerals)

Red Scoria (Lava Rock) (Vesicular Basalt / Scoria) — igneous

Red Scoria (Lava Rock)

Vesicular Basalt / Scoria

Pumice (Pumice (Vesicular Rhyolite/Andesite)) — igneous

Pumice

Pumice (Vesicular Rhyolite/Andesite)

Porphyritic Rhyolite (Porphyritic Rhyolite (Felsic volcanic rock)) — igneous

Porphyritic Rhyolite

Porphyritic Rhyolite (Felsic volcanic rock)

Pumice (Pumice (Volcanic silicate glass)) — igneous

Pumice

Pumice (Volcanic silicate glass)

Basalt (Vesicular) (Vesicular Basalt) — igneous

Basalt (Vesicular)

Vesicular Basalt

Apache Tears (Tumbled Obsidian) (Volcanic Glass (SiO2 + impurities)) — igneous

Apache Tears (Tumbled Obsidian)

Volcanic Glass (SiO2 + impurities)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)