Basalt
Basalt (Mafic volcanic rock)
Category
Browse basalt specimens identified by the Rock Identifier community.
Basalt
Basalt (Mafic volcanic rock)
Basalt
Basalt (SiO2 percentage between 45% and 52%)
Basalt
Basalt (Mafic Extrusive Igneous Rock)
Basalt
Basalt (containing Pyroxene, Plagioclase Feldspar, and Olivine)
Basalt
Basalt (Aphanitic Mafic Volcanic Rock)
Porphyritic Basalt
Porphyritic Basalt (with Plagioclase phenocrysts)
Basalt
Basalt (Mafic Extrusive Igneous Rock)
Basalt
Aphanitic Mafic Igneous Rock
Basalt
Extrusive mafic volcanic rock
Basalt
Mafic volcanic rock (dominated by Plagioclase and Pyroxene)
Basalt
Basalt (Mafic volcanic rock)
Druzy Quartz Geode (Oco or Moroccan variety)
Silicon Dioxide (SiO2)
Basalt (Vesicular)
Vesicular Basalt
Basalt
Mafic Volcanic Rock (composed of Plagioclase Feldspar and Pyroxene)
Basalt
Mafic Igneous Rock
Basalt
Mafic extrusive igneous rock
Basalt
Basalt (Mafic volcanic rock)
Basalt
Aphanitic Mafic Igneous Rock
Basalt
Basalt (Mafic volcanic rock)
Basalt
Basalt (Aphanitic Mafic Igneous Rock)
Basalt
Basalt (Mafic Extrusive Igneous Rock)
Basalt
Aphanitic Mafic Igneous Rock
Basalt
Mafic volcanic rock (primarily Pyroxene and Plagioclase feldspar)
Basalt
Basalt (Mafic Volcanic Rock)
Basalt
Basalt (Extrusive Igneous Rock)
Basalt
Mafic Igneous Rock (composed primarily of pyroxene and plagioclase)
Basalt
Extrusive mafic igneous rock
Basalt
Aphanitic Mafic Igneous Rock
Basalt
Basalt (containing Pyroxene and Plagioclase Feldspar)
Basalt
Extrusive mafic igneous rock
Basalt
Basalt (Extrusive Igneous Rock)
Basalt
Basalt (containing plagioclase, pyroxene, and olivine)
Basalt
Aphanitic Mafic Igneous Rock
Basalt
Extrusive mafic igneous rock
Basalt
Basalt (Extrusive Igneous Rock)
Basalt
Basalt (Extrusive Igneous Rock)
Basalt
Mafic Igneous Rock
Basalt
Basalt (Mafic volcanic rock)
Basalt
Basalt (Mafic volcanic rock)
Basalt
Basalt (Aphanitic Mafic Volcanic)
Vesicular Basalt (commonly mistaken for Slag)
Scoriaceous Basalt (composed primarily of Plagioclase Feldspar and Pyroxene)
Basalt Pebble
Basalt (Mafic volcanic rock)