Basalt
Basalt (Mafic Extrusive Rock)
Category
Browse mineral in igneous rock specimens identified by the Rock Identifier community.
Basalt
Basalt (Mafic Extrusive Rock)
Pink Granite
Granite (Felsic Plutonic Rock)
Basalt
Basalt (Mafic volcanic rock)
Rhyolitic Tuff
Rhyolitic Tuff / Pyroclastic rock
Basalt
Basalt (extrusive volcanic rock)
Granite
Granite (Felsic Plutonic Rock)
Basalt
Basalt (Mafic volcanic rock)
Diorite
Diorite (Intermediate plutonic rock)
Basalt Pebble
Basalt (Mafic volcanic rock)
Porphyritic Basalt
Porphyritic Mafic Extrusive Rock
Indigo Gabbro
Gabbro (Mafic Intrusive Rock)
Pink Granite
Granite (Phaneritic intrusive rock)
Granite
Granite (Felsic Plutonic Rock)
Basalt
Basalt (Mafic volcanic rock)
Pink Granite
Granite (Felsic Plutonic Rock)
Basalt
Basalt (Mafic volcanic rock)
Andesite
Andesite (Intermediate Volcanic Rock)
Andesite Porphyry
Andesite (extrusive volcanic rock)
Basalt
Basalt (Mafic volcanic rock)
Scoria (Lava Rock)
Scoria (extrusive volcanic rock)
Basalt
Basalt (Mafic volcanic rock)
Pumice
Pumice (Vitreous volcanic rock)
Red Granite
Granite (Felsic Plutonic Rock)
Granite
Granite (Felsic Plutonic Rock)
Basalt
Basalt (Mafic volcanic rock)
Basalt
Basalt (Mafic volcanic rock)
Basalt (Concrete Aggregate)
Basalt (Mafic volcanic rock)
Pumice
Pumice (Vitreous pyroclastic rock)
Scoria (Lava Rock)
Scoria (Mafic volcanic rock)
Pumice
Pumice (Vitreous volcanic rock)
Gneiss
Gneiss (pronounced 'nice')
Schist
Schist
Quartz
Quartz (SiO₂)
Granite Cobble
Granitic intrusive igneous rock (Quartz, Feldspar, Mica)
Granite
Phaneritic intrusive igneous rock (Quartz, Feldspar, Mica)
Porphyry (specifically Porphyritic Rhyolite or Andesite)
Porphyritic Igneous Rock (composed of Phenocrysts in an Aphanitic groundmass)
Pink Granite
Phaneritic plutonic igneous rock (Alkali-feldspar granite)
Granite
Phaneritic Igneous Rock (primarily Quartz, Feldspar, and Mica)
Granite (Pink/Red Granite)
Phaneritic Igneous Rock (primarily SiO2, KAlSi3O8, NaAlSi3O8)
Pink Granite
Phaneritic Igneous Rock (high K-feldspar content)
Granite
Plutonic Igneous Rock (composed of Quartz, Feldspar, and Mica)
Granite (Weathered River Rock)
Plutonic Igneous Rock (primarily Quartz, Feldspar, and Mica)