Basalt with Quartz Vein
Mafic Igneous Rock (SiO2 filling)
igneous
Category
Basalt
Browse basalt specimens identified by the Rock Identifier community.
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Basalt with Amygdule
Aphanitic Mafic Volcanic Rock (Basalt) with Zeolite/Quartz Infill
igneous
Basalt
Mafic extrusive volcanic rock (composed primarily of Plagioclase feldspar and Pyroxene)
igneous
Vesicular Basalt
Aphanitic Mafic Volcanic Rock
igneous
Basalt
Extrusive Igneous Rock (Mafic)
igneous
Basalt
Basalt (Mafic Extrusive Igneous Rock)
igneous
Vesicular Basalt
Basalt (extrusive volcanic rock)
igneous
Gabbro
Plutonic mafic rock
igneous
Basalt
Mafic volcanic rock (primarily plagioclase feldspar and pyroxene)
igneous
Basalt (Greenstone)
Amygdaloidal Basalt / Chloritized Basalt
Igneous
Basalt with Plagioclase Feldspar
Basalt (mafic extrusive igneous rock) with plagioclase feldspar phenocrysts
Igneous
Basalt with Plagioclase Phenocryst
Porphyritic Basalt
igneous
Basalt (Concrete Aggregate)
Basalt (Mafic volcanic rock)
igneous
Vesicular Basalt
Vesicular Basalt (Aphanitic Mafic Igneous Rock)
igneous
Basalt
Basalt (Mafic Extrusive Igneous Rock)
igneous
Basalt River Stone
Basaltic Igneous Rock
igneous
Basalt
Basalt (Aphanitic Mafic Volcanic Rock)
igneous
Basalt with Quartz Vein
Basalt (fine-grained mafic igneous rock) with crystalline Quartz (SiO2)
igneous
Basalt with Calcite Veining
Aphanitic Mafic Igneous Rock (Basalt) with CaCO3
igneous
Basalt with Calcite Veins
Basalt (Mafic Volcanic Rock)
igneous
Basalt with Calcite Veins
Aphanitic mafic volcanic rock with CaCO3 inclusions
igneous
Basalt
Basalt (Mafic volcanic rock)
igneous
Vesicular Basalt (Amygdaloidal)
Vesicular Basalt (Fe-Mg rich extrusive volcanic rock)
igneous
Basalt
Extrusive mafic igneous rock
igneous
Vesicular Basalt (Lava Rock)
Vesicular Basalt (comprising plagioclase feldspar and pyroxene group minerals)
igneous
Scoria
Vesicular Basalt / Scoriaceous Basalt
igneous
Scoria
Vesicular Basalt / Scoriaceous Basalt
igneous
Basalt with Scoria
Amygdaloidal Basalt / Vesicular Basalt
igneous
Basalt (Vesicular and Ropey)
Vesicular Basalt / Pahoehoe Basalt
igneous
Gabbro (River Cobble)
Phaneritic Mafic Igneous Rock
igneous
Basalt
Basalt (Mafic volcanic rock)
igneous
Basalt
Aphanitic Mafic Igneous Rock
igneous
Basalt
Basalt (Mafic volcanic rock)
igneous
Basalt
Mafic Igneous Rock (primarily Plagioclase Feldspar and Pyroxene)
Igneous
Basalt (Polished Pebble)
Basalt (Mafic volcanic rock)
igneous
Vesicular Basalt
Basalt with vesicular texture
igneous
Vesicular Basalt with Quartz
Vesicular Basalt (SiO2 inclusions)
igneous
Gabbro
Gabbro
igneous
Basalt
Basalt (Mafic volcanic rock)
igneous
Basalt
Basalt (composition of plagioclase, pyroxene, and olivine)
igneous
Basalt
Extrusive mafic igneous rock
igneous
Vesicular Basalt
Basalt (Mafic volcanic rock)
igneous