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 (Mafic volcanic rock (formula mostly SiO2, MgO, FeO)) — igneous

Basalt

Mafic volcanic rock (formula mostly SiO2, MgO, FeO)

Basalt Beach Pebble (Basalt (Mafic volcanic rock)) — igneous

Basalt Beach Pebble

Basalt (Mafic volcanic rock)

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

River Cobble (Diorite or Meta-volcanic with Quartz Veining) (Diorite (with SiO2 quartz veins)) — igneous

River Cobble (Diorite or Meta-volcanic with Quartz Veining)

Diorite (with SiO2 quartz veins)

Scoria (Lava Rock) (Scoria) — igneous

Scoria (Lava Rock)

Scoria

Snowflake Obsidian (Volcanic Glass with Spherulite Inclusions (70–75% SiO2)) — igneous

Snowflake Obsidian

Volcanic Glass with Spherulite Inclusions (70–75% SiO2)

Ocellar Rhyolite (Rhyolite (featuring orbicular/ocellar quartz and feldspar textures)) — igneous

Ocellar Rhyolite

Rhyolite (featuring orbicular/ocellar quartz and feldspar textures)

Basalt (Basalt) — igneous

Basalt

Basalt

Scoria (Lava Rock) (Scoria) — igneous

Scoria (Lava Rock)

Scoria

Vesicular Basalt (Basalt (extrusive volcanic rock)) — igneous

Vesicular Basalt

Basalt (extrusive volcanic rock)

Pumice (Pumice (a highly vesicular volcanic glass)) — igneous

Pumice

Pumice (a highly vesicular volcanic glass)

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

Basalt River Stone

Basalt (Aphanitic Mafic Volcanic Rock)

Amygdaloidal Basalt with Quartz (Basalt (SiO2 inclusion)) — igneous

Amygdaloidal Basalt with Quartz

Basalt (SiO2 inclusion)

Obsidian (Volcanic Glass (70% or more SiO2)) — igneous

Obsidian

Volcanic Glass (70% or more SiO2)

Obsidian (Volcanic Glass (70-75% SiO2)) — igneous

Obsidian

Volcanic Glass (70-75% SiO2)

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

Pink Granite

Phaneritic Plutonic Felsic Rock (Granite)

Chondrite Meteorite (Ordinary Chondrite (L or H Group)) — igneous

Chondrite Meteorite

Ordinary Chondrite (L or H Group)

Basalt with Plagioclase Phenocryst (Porphyritic Basalt) — igneous

Basalt with Plagioclase Phenocryst

Porphyritic Basalt

Lunar Breccia Meteorite (Lunar Feldspathic Breccia) — igneous

Lunar Breccia Meteorite

Lunar Feldspathic Breccia

Tektite (Indochinite) (Impactite / Tektite (Silica-rich glass)) — igneous

Tektite (Indochinite)

Impactite / Tektite (Silica-rich glass)

Tektite (Indochinite) (Tektite (High-silica impact glass)) — igneous

Tektite (Indochinite)

Tektite (High-silica impact glass)

Tektite (Indochinite) (Tektite (High-silica impact glass)) — igneous

Tektite (Indochinite)

Tektite (High-silica impact glass)

Lunar Meteorite (Lunar Feldspathic Breccia) — igneous

Lunar Meteorite

Lunar Feldspathic Breccia

Lunar Meteorite (Feldspathic Breccia) (Lunar Feldspathic Breccia) — igneous

Lunar Meteorite (Feldspathic Breccia)

Lunar Feldspathic Breccia

Amygdaloidal Basalt (Basalt with secondary mineral infilling (SiO2/CO3)) — igneous

Amygdaloidal Basalt

Basalt with secondary mineral infilling (SiO2/CO3)

Basalt with Quartz Veining (Basalt (Mafic Volcanic Rock) with Silicon Dioxide (SiO2) inclusions) — igneous

Basalt with Quartz Veining

Basalt (Mafic Volcanic Rock) with Silicon Dioxide (SiO2) inclusions

Porphyritic Basalt (Basalt (SiO2 percentage 45-52%) with phenocrysts) — igneous

Porphyritic Basalt

Basalt (SiO2 percentage 45-52%) with phenocrysts

Vesicular Basalt (Basalt) — igneous

Vesicular Basalt

Basalt

Porphyry (Porphyritic Andesite/Rhyolite) — igneous

Porphyry

Porphyritic Andesite/Rhyolite

Diabase (Dolerite) (Diabase) — igneous

Diabase (Dolerite)

Diabase

Pumice (Pumice (Highly vesicular felsic volcanic rock)) — igneous

Pumice

Pumice (Highly vesicular felsic volcanic rock)

Granite (Granite) — igneous

Granite

Granite

Tektite (Indochinite) (Tektite (High-silica amorphous glass)) — igneous

Tektite (Indochinite)

Tektite (High-silica amorphous glass)

Porphyry (Porphyritic Basaltic Andesite) — igneous

Porphyry

Porphyritic Basaltic Andesite

Basalt with Quartz Vein (Basalt containing a microcrystalline quartz (SiO2) intrusion) — igneous

Basalt with Quartz Vein

Basalt containing a microcrystalline quartz (SiO2) intrusion

Chondrite Meteorite (Stony Meteorite (Ordinary Chondrite)) — igneous

Chondrite Meteorite

Stony Meteorite (Ordinary Chondrite)

Pegmatite (Granitic) (Granite Pegmatite) — igneous

Pegmatite (Granitic)

Granite Pegmatite

Basalt (Basalt (silicate rock primarily plagioclase and pyroxene)) — igneous

Basalt

Basalt (silicate rock primarily plagioclase and pyroxene)

River Pebble (Basalt or fine-grained Quartzite) (Fine-grained Mafic Rock (Volcanic Basalt)) — igneous

River Pebble (Basalt or fine-grained Quartzite)

Fine-grained Mafic Rock (Volcanic Basalt)

Black Obsidian (Volcanic Glass (SiO2)) — igneous

Black Obsidian

Volcanic Glass (SiO2)

Obsidian (Obsidian (Volcanic Glass)) — igneous

Obsidian

Obsidian (Volcanic Glass)

Obsidian (Obsidian (Volcanic Glass, SiO2 + impurities)) — igneous

Obsidian

Obsidian (Volcanic Glass, SiO2 + impurities)