Granite
Felsic intrusive igneous rock
Category
Browse mineral on igneous rock specimens identified by the Rock Identifier community.
Granite
Felsic intrusive igneous rock
Granite
Felsic intrusive igneous rock
Granite
Granite (Phaneritic Quartz-Feldspar Plutonic Rock)
Granite
Felsic intrusive igneous rock
Mixed Rock Collection (Pebbles and Stones)
Various geological specimens
Feldspar-Quartz Rock (likely Pegmatite or Granite)
Feldspar-Quartz composite rock (KAlSi3O8 - SiO2)
Granite
Felsic intrusive igneous rock
Granite
Granite (Plutonic Igneous Rock)
Magnetite (Lodestone)
Iron(II,III) oxide (Fe3O4)
Biotite (Black Mica)
Biotite - K(Mg,Fe)3(AlSi3O10)(F,OH)2
Granite
Intrusive Igneous Rock
Granite Pebble
Granite (Phaneritic intrusive igneous rock)
Granite
Plutonic Igneous Rock
Basalt
Aphanitic Mafic Igneous Rock
Black Beauty Meteorite
NWA 7034 (Northwest Africa 7034)
Granite
Intrusive Igneous Rock
Granite Pebble
Intrusive Igneous Rock
Glacial Cobble with Granite Inclusion
Porphyritic Basalt or Andesite containing Granitic Xenolith
Granite Cobble
Intrusive Igneous Rock (Felsic to Intermediate)
Granite
Felsic intrusive igneous rock
Granite
Felsic intrusive igneous rock
Granite Pebble
Intrusive Igneous Rock
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
Granite
Intrusive Igneous Rock
Granite
Intrusive Igneous Rock
Orbicular granite (likely rapakivi-type granite)
Granite; chiefly quartz, alkali feldspar, plagioclase, and biotite/hornblende
Granodiorite
Granodiorite (Intermediate intrusive igneous rock)
Basalt
Extrusive Igneous Rock
Granite
Intrusive Igneous Rock
Granite Pebble
Intrusive Igneous Rock
Granite
Intrusive Igneous Rock
Porphyritic Basalt or Porphyry
Porphyritic Igneous Rock
Dark Igneous Rock (Likely Basalt or Diabase)
Basalt (extrusive igneous rock) or Diabase (intrusive igneous rock - also known as Dolerite), largely composed of plagioclase feldspar, pyroxene (augite), and sometimes olivine and amphibole. Exact mineralogy would require thin section analysis.
Granite
Intrusive igneous rock
Granite
Felsic intrusive igneous rock
Dalmatian Jasper
Microcrystalline Quartz with Arfvedsonite and Tourmaline inclusions
Vesicular Basalt / Scoria pebble
Extrusive igneous rock with amygdaloidal infilling
Granite
Felsic intrusive igneous rock
Granite
Felsic intrusive igneous rock
Granite
Granite
Granite
Intrusive Igneous Rock
Basalt Pebble
Basaltic Igneous Rock