Basalt
Basalt
Category
Browse mixed: igneous and sedimentary specimens identified by the Rock Identifier community.
Basalt
Basalt
Basalt
Basalt (Aphanitic Mafic Igneous Rock)
Basalt
Basalt (Extrusive Mafic Igneous)
Basalt
Extrusive mafic igneous rock
Vesicular Basalt with Quartz/Chalcedony
Vesicular Basalt (primarily Plagioclase, Pyroxene, and Olivine with SiO2 infill)
Basalt
Basalt (Mafic Extrusive Igneous Rock)
Basalt River Pebble
Aphanitic Mafic Basalt
Basalt
Extrusive mafic igneous rock
Granite Pebble
Felsic Plutonic Rock
Granite
Granite (Phaneritic Igneous Rock)
Dyed Pumice
Vesicular Rhyolite (Artificial Coloration Addition)
Vesicular Basalt (Amygdaloidal)
Amygdaloidal Basalt
Granite
Granite (primarily Quartz, Feldspar, and Mica)
Lunar Feldspathic Breccia
Lunar Meteorite (Feldspathic Regolith Breccia)
Granite
Phaneritic Felsic Igneous Rock
Graphic Granite (Runic Granite)
Pegmatite (Graphic Granite variety)
Basalt
Basalt (Mafic volcanic rock)
Granite
Phaneritic Igneous Rock (Granite)
Granite
Phaneritic Igneous Rock (composed primarily of Quartz, Feldspar, and Mica)
Basalt
Basalt (Mafic igneous rock)
Basalt
Aphanitic Mafic Igneous Rock
Diorite (Polished River Stone)
Intrusive Igneous Diorite
Diorite
Phaneritic intermediate plutonic rock
Basalt
Basalt (Mafic volcanic rock)
Gabbro
Gabbro
Pink Granite
Phaneritic Felsic Igneous Rock (composed primarily of Orthoclase Feldspar and Quartz)
Granite
Phaneritic plutonic felsic rock
Diorite
Diorite (Intermediate intrusive igneous rock)
Basalt
Extrusive mafic igneous rock
Granite
Granite (phaneritic intrusive igneous rock consisting mainly of quartz, alkali feldspar, and plagioclase)
Lepidolite and Rubellite (Pink Tourmaline)
Lepidolite [K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2] and Rubellite [Na(Li,Al)3Al6(BO3)3Si6O18(OH)4]
Vesicular Basalt with Oxidation
Scoriaceous Olivine Basalt (Mafic volcanic rock)
Granite
Granite (Phaneritic Igneous Rock; primarily Quartz, Alkali Feldspar, and Plagioclase)
Scoria
Scoria (Vesicular Basaltic Glass)
Granodiorite
Granodiorite (containing Plagioclase, Quartz, and Biotite)
Granodiorite Pebble
Granodiorite (containing Quartz, Plagioclase Feldspar, and Biotite/Amphibole)
Granite
Intrusive Igneous Rock (composed of Quartz, Alkali Feldspar, and Plagioclase)
Basalt
Basalt (Aphanitic Mafic Igneous Rock)
Granite
Granite (Phaneritic Acidic Igneous Rock)
Granite
Granite (Felsic Plutonic Rock)
Basalt with Caliche
Extrusive Mafic Igneous Rock with Secondary Carbonate Crust
Diorite
Diorite (Intermediate intrusive igneous rock)