Basalt (Vesicular)
Basalt (Extrusive Mafic Igneous Rock)
Category
Browse igneous or sedimentary specimens identified by the Rock Identifier community.
Basalt (Vesicular)
Basalt (Extrusive Mafic Igneous Rock)
Pink Granite
Granite (Phaneritic Acidic Igneous Rock)
Basalt
Basalt (Aphanitic Mafic Igneous Rock)
Pink Granite
Granite (Phaneritic Acid Igneous Rock)
Granite
Granite (felsic intrusive igneous rock)
Basalt River Stone
Basalt (Aphanitic Mafic Igneous Rock)
Basalt
Basalt (Aphanitic Mafic Igneous Rock)
Granite
Phaneritic Plutonic Igneous Rock (Granite)
Pink Granite
Phaneritic Felsic Igneous Rock (Granite)
Quartz Pebble
Silicon Dioxide (SiO2)
Gravel Pebble (Likely Quartzite or Basalt)
Quartzite (or Macrocrystalline Quartz)
Rose Quartz
Silicon dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Painted River Rock (likely Quartzite or Granite)
Quartzite or Granitic Gneiss (painted)
Sunstone
Aventurine Feldspar (Plagioclase or Oligoclase)
Chromite
Chromite (FeCr2O4)
Sunstone
Oligoclase (Plagioclase Feldspar), (Ca,Na)(Al,Si)4O8
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Mica (Lepidolite or Muscovite)
Phyllosilicate mineral (KAl2(AlSi3O10)(OH)2 for Muscovite)
Peach Moonstone
Orthoclase (Potassium Aluminum Silicate, KAlSi3O8)
Garnet (Almandine)
Almandine (Fe3Al2(SiO4)3)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz Vein / Milky Quartz
Silicon Dioxide (SiO2)
Rutilated Quartz
Rutile in Quartz (SiO2 with TiO2 inclusions)
Milky Quartz
Silicon Dioxide (SiO2)
Plagioclase Feldspar
Plagioclase (NaAlSi3O8 - CaAl2Si2O8)
Moonstone (Tumbled)
Potassium Aluminum Silicate (KAlSi3O8) with inclusions of Albite
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
Peacock Ore
Bornite (Cu5FeS4)
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)3(Si, Al, Fe)2O5(OH)4
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Biotite (Mica)
Biotite (K(Mg,Fe)3AlSi3O10(OH,F)2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Red Garnet (Pyrope or Almandine)
Magnesium aluminum silicate (Mg3Al2(SiO4)3) or Iron aluminum silicate (Fe3Al2(SiO4)3)
Potassium Feldspar (Orthoclase)
Orthoclase (KAlSi3O8)
Peridot (Olivine)
Magnesium Iron Silicate (Mg,Fe)2SiO4
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite mica
Greenstone / Greenschist
Greenschist (composed of chlorite, epidote, and actinolite)
Amethyst (Quartz)
Silicon Dioxide (SiO2) with iron impurities