Basalt (Road Aggregate)
Basalt (Aphanitic Mafic Igneous Rock)
igneous
Category
Igneous
Browse igneous specimens identified by the Rock Identifier community.
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Basalt (with possible fine-grained mineralization)
Basalt (Mafic Extrusive Igneous Rock)
igneous
Diorite
Diorite (Intermediate intrusive igneous rock)
igneous
Granite
Phaneritic Felsic Igneous Rock (Granite)
igneous
Crushed Rock (Basalt)
Basalt (Aphanitic Mafic Igneous Rock)
Igneous
Basalt (Vesicular)
Basalt (Extrusive Mafic Igneous Rock)
igneous
Pink Granite
Granite (Phaneritic Acidic Igneous Rock)
igneous
Basalt
Basalt (Aphanitic Mafic Igneous Rock)
igneous
Pink Granite
Granite (Phaneritic Acid Igneous Rock)
igneous
Granite
Granite (felsic intrusive igneous rock)
igneous
Basalt River Stone
Basalt (Aphanitic Mafic Igneous Rock)
igneous
Basalt
Basalt (Aphanitic Mafic Igneous Rock)
igneous
Granite
Phaneritic Plutonic Igneous Rock (Granite)
igneous
Pink Granite
Phaneritic Felsic Igneous Rock (Granite)
igneous
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Gravel Pebble (Likely Quartzite or Basalt)
Quartzite (or Macrocrystalline Quartz)
metamorphic
Honey Calcite
Calcium Carbonate (CaCO3)
mineral
Rose Quartz
Silicon dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Painted River Rock (likely Quartzite or Granite)
Quartzite or Granitic Gneiss (painted)
metamorphic
Quartz (Milk or Clear Variety)
Silicon Dioxide (SiO2)
mineral
Sunstone
Aventurine Feldspar (Plagioclase or Oligoclase)
mineral
Milky Quartz Pebbles
Silicon Dioxide (SiO2)
mineral
Chromite
Chromite (FeCr2O4)
mineral
Sunstone
Oligoclase (Plagioclase Feldspar), (Ca,Na)(Al,Si)4O8
mineral
Quartz (White/Milky)
Silicon Dioxide (SiO2)
mineral
Banded Agate
Cryptocrystalline Quartz (SiO2)
sedimentary
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Magnetite / Ironstone Pebble
Magnetite (Fe3O4)
mineral
Mica (Lepidolite or Muscovite)
Phyllosilicate mineral (KAl2(AlSi3O10)(OH)2 for Muscovite)
mineral
Peach Moonstone
Orthoclase (Potassium Aluminum Silicate, KAlSi3O8)
mineral
Garnet (Almandine)
Almandine (Fe3Al2(SiO4)3)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Clear Quartz Crystal
Silicon Dioxide (SiO2)
mineral
Quartz Vein / Milky Quartz
Silicon Dioxide (SiO2)
mineral
Rutilated Quartz
Rutile in Quartz (SiO2 with TiO2 inclusions)
mineral
Pyrite (Fools Gold)
Iron Disulfide (FeS2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Plagioclase Feldspar
Plagioclase (NaAlSi3O8 - CaAl2Si2O8)
mineral
Moonstone (Tumbled)
Potassium Aluminum Silicate (KAlSi3O8) with inclusions of Albite
mineral