Basalt
Extrusive mafic igneous rock
Category
Browse igneous and sedimentary mixture specimens identified by the Rock Identifier community.
Basalt
Extrusive mafic igneous rock
Basalt (Vesicular)
Basalt (Extrusive Mafic Igneous Rock)
Basalt Pebble
Basalt
Basalt
Basalt
Iron Meteorite (likely Chondrite or weathered Iron-Nickel)
Meteorite (Fe-Ni alloy & silicates)
Chondrite Meteorite
Stony Meteorite (Chondrite)
Kimberlite with Diamond
Kimberlite (Diamond formula: C)
Pink Granite
Granite (Phaneritic intrusive igneous rock dominated by Quartz and K-Feldspar)
Basalt with Plagioclase Phenocrysts
Porphyritic Basalt
Basalt with Scoria/Vesicular Texture
Extrusive Mafic Igneous Rock (primarily Plagioclase Feldspar and Pyroxene)
Basalt Pebble with Epidote/Olivine
Vitreous Basalt (SiO2 with Ca/Mg/Fe silicates)
Basalt (with possible mineral veining)
Basalt (Aphanitic Mafic Igneous Rock)
Basalt River Stone
Aphanitic Mafic Igneous Rock
Basalt with Secondary Mineral Inclusions
Amygdaloidal Basalt (Mafic volcanic rock, primarily Augite and Plagioclase)
Vesicular Basalt with Secondary Mineral Inclusions
Aphanitic Mafic Igneous Rock (primarily Plagioclase and Pyroxene)
Basalt
Basalt (Mafic volcanic rock)
Granodiorite
Phaneritic Plutonic Rock - Granodiorite
Basalt (River Rock Cobble)
Extrusive mafic volcanic rock (Basalt)
Basalt with Quartz/Feldspar Inclusion
Basalt (containing Silicate minerals such as SiO2 and (Ca,Na)(Al,Si)4O8)
Basalt River Stone
Aphanitic Mafic Igneous Rock (primarily Plagioclase and Pyroxene)
Basalt River Pebble
Basalt (fine-grained mafic igneous rock)
Basalt (Beach Pebble)
Extrusive mafic igneous rock
Basalt
Basalt (Mafic volcanic rock)
Basalt (Crushed Roadstone)
Mafic Igneous Rock (primarily Plagioclase Feldspar and Pyroxene)
Vesicular Basalt
Basalt (Extrusive Igneous Rock)
Basalt (Weathered/River worn)
Mafic Volcanic Rock (Primarily Plagioclase Feldspar and Pyroxene)
Basalt with Vesicular Surface
Basalt (Mafic Extrusive)
Porphyritic Basalt with Quartz Inclusions
Aphanitic Porphyritic Basalt
Basalt (River Pebble)
Extrusive mafic igneous rock
Basalt
Basalt (Mafic volcanic rock)
Basalt (Polished pebble)
Basalt (Aphanitic mafic volcanic rock)
Basalt
Basalt (Mafic volcanic rock)
Granodiorite
Granodiorite (Na,Ca)(Al,Si)4O8
Basalt (Vesicular)
Mafic Volcanic Rock (rich in Magnesium and Iron)
Vesicular Basalt
Extrusive mafic igneous rock (primarily Plagioclase Feldspar and Pyroxene)
Vesicular Basalt
Basalt (with vesicular texture)
Basalt with Scoria
Mafic Volcanic Rock (Basalt/Scoria)
Basalt (Water-worn Pavement Stone)
Basalt (Mafic Extrusive Igneous Rock)
Basalt
Extrusive Mafic Igneous Rock
Basalt (Stream-worn Cobble)
Mafic Igneous Rock (primarily Plagioclase and Pyroxene)
Basalt with inclusion
Basalt (Aphanitic-Porphyritic texture)
Basalt (Vesicular and Scoria)
Basalt (extrusive volcanic rock)