Basalt
Mafic Igneous Rock (primarily Plagioclase Feldspar and Pyroxene)
Category
Browse mixed: igneous and sedimentary specimens identified by the Rock Identifier community.
Basalt
Mafic Igneous Rock (primarily Plagioclase Feldspar and Pyroxene)
Basalt
Basalt (Mafic volcanic rock)
Basalt
Extrusive mafic igneous rock
Basalt with Quartz/Calcite Inclusions
Mafic Volcanic Rock (Fe-Mg silicate rich)
Basalt
Extrusive mafic igneous rock
Vesicular Basalt
Basalt with vesicular texture
Basalt
Basalt (Mafic Extrusive Igneous Rock)
Basalt
Basalt (Mafic Extrusive Igneous Rock)
Basalt Pebble
Basalt (Aphanitic Mafic Igneous Rock)
Basalt River Stone
Extrusive Mafic Igneous Rock (primarily Plagioclase Feldspar and Pyroxene)
Basalt (River Pebble)
Basalt (Aphanitic Mafic Igneous Rock)
Basalt
Extrusive mafic igneous rock
Basalt
Basalt (Mafic volcanic rock)
Basalt
Extrusive mafic igneous rock
Basalt Pebble
Aphanitic mafic volcanic rock
Basalt
Mafic volcanic rock (Basalt)
Vesicular Basalt
Extrusive Mafic Igneous Rock
Basalt (Gravel Pebble)
Basalt (contains pyroxene, plagioclase feldspar, and olivine)
Basalt (River Pebble)
Basalt (Aphanitic Mafic Volcanic Rock)
Basalt
Basalt (predominantly Plagioclase Feldspar and Pyroxene)
Basalt (Weathered/Tumbled)
Extrusive Mafic Igneous Rock
Basalt (Porphyritic)
Basalt (Mafic Extrusive Igneous Rock)
Basalt
Basalt (composition of plagioclase feldspar, pyroxene, and olivine)
Basalt
Basalt (Aphanitic Mafic Igneous Rock)
Basalt River Pebble
Extrusive mafic igneous rock; primarily composed of Plagioclase Feldspar and Pyroxene
Basalt
Extrusive mafic igneous rock
Basalt with Iron Oxidation
Mafic Igneous Rock (primarily Plagioclase and Pyroxene)
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)