Gabbro
Gabbro (mafic intrusive igneous rock)
Category
Browse mineral on igneous rock specimens identified by the Rock Identifier community.
Gabbro
Gabbro (mafic intrusive igneous rock)
Scoria (Vesicular Basalt)
Scoria (Extrusive Mafic Igneous Rock)
Basalt (River Pebble)
Basalt (Mafic Extrusive Igneous Rock)
Granite
Phaneritic Felsic Igneous Rock (Granite)
Diorite
Diorite (Intermediate intrusive igneous rock)
Granodiorite
Granodiorite (phaneritic intrusive igneous rock)
Basalt
Basalt (Aphanitic Mafic Igneous Rock)
Andesite
Andesite (Intermediate Extrusive Igneous Rock)
Diorite
Diorite (Intermediate intrusive igneous rock)
Basalt
Basalt (Aphanitic Mafic Volcanic Rock)
Basalt with Desert Varnish
Mafic Volcanic Rock (Fe/Mg rich Silicate)
Orbicular Rhyolite (Rainforest Jasper)
Rhyolite containing Spherulites (SiO2 with impurities)
Diorite (Salt and Pepper Rock)
Phaneritic Plutonic Diorite; chemical composition roughly 52-63% silica (SiO2)
Basalt
Mafic Igneous Rock (composed primarily of Pyroxene and Plagioclase Feldspar)
Basalt
Extrusive Mafic Igneous Rock (composed primarily of Plagioclase and Pyroxene)
Sodalite
Sodalite (Na4Al3Si3O12Cl)
Pink Granite
Granite (Phaneritic intrusive rock rich in K-feldspar)
Granite
Phaneritic Felsic Intrusive Igneous Rock
Pink Granite
Phaneritic Felsic Intrusive Igneous Rock
Scoria (Lava Rock)
Aphanitic vesicular mafic igneous rock
Diorite
Diorite (Intermediate intrusive igneous rock)
Basalt
Basalt (Mafic Extrusive Igneous Rock)
Granite Pebble
Granite (Phaneritic intrusive igneous rock)
Rhyolite (Porphyritic)
Rhyolite (Felsic Extrusive Igneous Rock)
Diorite (Polished Tumble)
Diorite (Intermediate intrusive igneous rock)
Granite Cobble
Phaneritic Felsic Igneous Rock (Granite)
Basalt (Water-worn Pebble)
Basalt (Aphanitic Mafic Igneous Rock)
Diorite
Diorite (Intermediate intrusive igneous rock)
Diorite
Diorite (intermediate intrusive igneous rock)
Basalt
Basalt (Mafic Extrusive Igneous Rock)
Granite
Phaneritic plutonic felsic igneous rock
Pink Granite
Phaneritic Felsic Intrusive Igneous Rock
Pink Granite
Granite (Phaneritic intrusive igneous rock)
Kimberlite
Kimberlite (Potassic ultramafic igneous rock)
Pink Granite
Phaneritic intrusive felsic igneous rock
Diorite
Diorite (Intermediate intrusive igneous rock)
Basalt (Water-worn Pebble)
Basalt (Mafic Extrusive Igneous Rock)
Granite
Intrusive igneous rock (high SiO2)
Pink Granite
Phaneritic Felsic Intrusive Igneous Rock
Diorite
Diorite (Intermediate intrusive igneous rock)
Basalt
Basalt (Mafic Extrusive Igneous Rock)
Granite Cobble
Phaneritic Felsic Igneous Rock (Granite)