Basalt
Extrusive mafic igneous rock
Category
Browse sedimentary or igneous specimens identified by the Rock Identifier community.
Basalt
Extrusive mafic igneous rock
Basalt (Beach Pebble)
Extrusive mafic igneous rock
Granite
Phaneritic Felsic Igneous Rock
Basalt (River Stone)
Extrusive mafic igneous rock
Granite
Granite (Phaneritic igneous rock)
Basalt (River Stone)
Aphanitic Mafic Igneous Rock
Granite
Granite (Phaneritic Igneous Rock)
Granite
Phaneritic Felsic Igneous Rock
Basalt
Basalt (Extrusive Mafic Igneous)
Granite Cobble
Phaneritic Felsic Igneous Rock
Pink Granite
Phaneritic Felsic Igneous Rock
Basalt
Aphanitic Mafic Igneous Rock
Granite
Phaneritic Felsic Igneous Rock
Basalt
Basalt (Extrusive Igneous Rock)
Pink Granite
Felsic intrusive igneous rock
Basalt River Stone
Extrusive mafic igneous rock
Granite Pebble (River Rock)
Phaneritic Felsic Igneous Rock
Granite
Phaneritic plutonic igneous rock
Granite (with Quartz and Mica)
Phaneritic Felsic Igneous Rock
Granite
Phaneritic Igneous Rock (Granite)
Basalt Pebble
Extrusive Mafic Igneous Rock
Basalt
Extrusive mafic igneous rock
Basalt
Aphanitic Mafic Igneous Rock
Basalt
Extrusive mafic igneous rock
Red Jasper
Silicon Dioxide (SiO2) with Iron impurities
Arfvedsonite in Quartz
Arfvedsonite [Na3(Fe2+4Fe3+)Si8O22(OH)2] often hosted in Quartz or Feldspar
Granite
Granite
Olivine (Peridotite)
Magnesium iron silicate ((Mg, Fe)2SiO4)
Granodiorite / Granite (Weathered)
Granodiorite
Olivine (Peridotite)
Olivine Group; (Mg, Fe)2SiO4
Jasper
SiO2
Granite
Phaneritic Felsic Igneous Rock
Diorite
Intermediate Phaneritic Igneous Rock
Granite
Phaneritic Felsic Igneous Rock
Basalt Pebble
Extrusive mafic igneous rock
Granite Pebble
Phaneritic intrusive igneous rock
Basalt
Extrusive mafic igneous rock
Vesicular Basalt (Scoria)
Mafic Igneous Volcanic Rock
Granite
Phaneritic intrusive igneous rock
Granite
Phaneritic intrusive igneous rock
Granite
Intrusive igneous felsic rock
Basalt
Mafic extrusive igneous rock