Basalt
Basalt (Mafic Igneous Rock)
igneous
Category
Basalt
Browse basalt specimens identified by the Rock Identifier community.
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Basalt
Basalt (Mafic volcanic rock)
igneous
Basalt
Extrusive mafic igneous rock
igneous
Basalt
Extrusive mafic rock (Basalt)
igneous
Basalt
Mafic Igneous Rock (composed primarily of plagioclase feldspar and pyroxene)
Igneous
Basalt
Basalt (Aphanitic extrusive igneous rock)
igneous
Basalt
Basalt (Extrusive Igneous Rock)
igneous
Basalt
Extrusive mafic igneous rock
igneous
Basalt
Basalt (dominated by plagioclase feldspar and pyroxene)
igneous
Basalt
Extrusive Igneous Rock
igneous
Basalt
Basalt (Aphanitic Mafic Igneous Rock)
Igneous
Basalt
Basalt (Aphanitic Mafic Igneous Rock)
igneous
Vesicular basalt (scoriaceous basalt)
Basalt, primarily plagioclase feldspar, clinopyroxene, and Fe-Mg minerals; locally glassy
igneous
Basalt
Extrusive Igneous Rock
igneous
Basalt
Extrusive Igneous Rock
igneous
Basalt
Basalt (Aphanitic Mafic Igneous Rock)
igneous
Basalt
Basalt (Aphanitic Mafic Igneous Rock)
igneous
Basalt
Basalt (principally Plagioclase and Pyroxene)
igneous
Basalt
Basalt (Aphanitic Mafic Igneous Rock)
igneous
Basalt
Basalt (Aphanitic-fine grained mafic igneous rock)
igneous
Tumbled blue-gray stone, likely basalt
Basalt (fine-grained mafic volcanic rock; chiefly plagioclase and pyroxene, commonly with magnetite)
igneous
Basalt
Mafic volcanic rock, chiefly plagioclase feldspar, pyroxene, and commonly olivine
igneous
Basalt
Fine-grained mafic volcanic rock, chiefly plagioclase and pyroxene with possible olivine
igneous
Basalt
Extrusive Igneous Rock
igneous
Basalt
Extrusive Igneous Rock
igneous
Basalt
Extrusive Igneous Rock
igneous
Basalt
Extrusive Igneous Rock
igneous
Basalt
Extrusive Igneous Rock
igneous
Basalt
Extrusive igneous rock
igneous
Basalt
Extrusive Igneous Rock (Mafic)
igneous
Basalt
Extrusive Igneous Rock
igneous
Basalt
Extrusive Igneous Rock
igneous
Basalt
Mafic extrusive igneous rock
igneous
Basalt
Mafic extrusive igneous rock
igneous
Basalt
Basalt (Mafic Extrusive Igneous Rock)
igneous
Basalt
Basalt (Mafic Extrusive Igneous Rock)
igneous
Basalt
Extrusive igneous rock
igneous
Basalt
Extrusive Igneous Rock (Mafic)
igneous
Basalt
Extrusive igneous rock primarily composed of plagioclase feldspar and pyroxene
igneous
Basalt
Extrusive Igneous Rock
igneous
Basalt
Mafic extrusive igneous rock
igneous
Basalt
Extrusive Igneous Rock
igneous