Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Category
Igneous
Browse igneous specimens identified by the Rock Identifier community.
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Basalt
Basalt (Mafic volcanic rock)
igneous
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Crystalline Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
mineral
Gabbro
Plutonic mafic rock
igneous
Milky Quartz
Crystalline Quartz (SiO2)
mineral
Magnetite / Iron Ore
Magnetite (Fe3O4)
mineral
Gabbro (Stream-rounded Pebble)
Gabbro (Phaneritic Mafic Igneous Rock)
igneous
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Dalmation Stone
Peralkaline Rock (Microcline Quartz mixture with Arfvedsonite)
igneous
Dalmatian Jasper (Dalmatian Stone)
Peralkaline Rock with Feldspar and Arfvedsonite
igneous
Dalmation Stone
Peralkaline Rock (SiO2 with Arfvedsonite)
igneous
Granite
Granite (Felsic Plutonic Rock)
igneous
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Granite
Phaneritic plutonic rock (SiO2 + Al2O3)
igneous
Granite
Granite (Phaneritic igneous rock)
igneous
Mahogany Obsidian
Volcanic Glass with Hematite or Magnetite inclusions (SiO2 + Fe2O3)
igneous
Granite
Granite (Mainly Quartz SiO2 and Feldspar KAlSi3O8)
igneous
Granite Pebble
Phaneritic Felsic Igneous Rock
igneous
Granite
Phaneritic Felsic Intrusive Rock
igneous
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Quartz pebble / River stone
SiO2 (Silicon Dioxide)
mineral
Pyrite in Matrix (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Aquamarine
Beryl (Be3Al2Si6O18 with Fe2+ impurities)
mineral
Massive Quartz with Host Rock
Silicon Dioxide (SiO2)
mineral
Granite
Granite (a plutonic rock)
Igneous
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Magnetite (Iron Ore)
Magnetite (Fe3O4)
mineral
Dalmation Jasper (or Dalmation Stone)
Dalmation Stone (composed of Perthite, Quartz, and Arfvedsonite)
igneous