Sandstone (lithic)
Lithic Wacke / Arenite
sedimentary
Category
Igneous And Sedimentary
Browse igneous and sedimentary specimens identified by the Rock Identifier community.
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Granite
Granite
igneous
Granite
Phaneritic Plutonic Igneous Rock (primarily composed of quartz, alkali feldspar, and plagioclase)
igneous
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Rainbow Moonstone
White Labradorite (Feldspar variety)
mineral
Black Tourmaline (Schorl)
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Amazonite
K(AlSi3O8) - Potassium Aluminum Silicate (variety of Microcline)
mineral
Moss Agate
SiO2 with impurities (Chalcedony)
Mineral/Gemstone
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Ruby in Zoisite
Anyolite (composite of Corundum and Zoisite)
metamorphic
Garnet
Pyrope or Almandine (X3Y2(SiO4)3)
mineral
Amethyst (Tumbled)
Silicon Dioxide (SiO2 with iron impurities)
mineral
Peridot
Olivine ((Mg, Fe)2SiO4)
mineral
Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
mineral
Rose Quartz
Silicon dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Aventurine
Aventurine Quartz (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Sunstone
Feldspar (variety Oligoclase or Labradorite), (Ca,Na)(Al,Si)4O8
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Amazonite
Microcline (KAlSi3O8)
mineral
Banded Agate
Agate (Silicon Dioxide - SiO2)
mineral
Amethyst (Chevron or Banded Amethyst)
Silicon Dioxide (SiO2) with trace Iron (Fe)
mineral
Agate (Chalcedony slice)
Cryptocrystalline Quartz (SiO2)
mineral
Labradorite
Labradorite (Ca,Na)(Al,Si)4O8
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Yellow Quartz Pebble
SiO2 (Silicon Dioxide)
mineral
Bornite
Bornite (Cu5FeS4)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Potassium Feldspar
Orthoclase (KAlSi3O8)
mineral
Sandstone
Arenite (primarily SiO2)
sedimentary
Shale
Fissile mudrock (composed of clay-sized particles and detrital grains)
sedimentary
Shale
Fissile Mudstone (primarily composed of phyllosilicate minerals like kaolinite, montmorillonite, and illite)
sedimentary
Shale
Clastic sedimentary rock (primarily clay and silt minerals)
sedimentary
Granite
Granite (a felsic intrusive igneous rock)
Igneous
Olivine (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4
mineral
Chalk (Sedimentary Limestone)
Calcite (CaCO3)
sedimentary
Greenstone (River Pebble)
Metabasalt / Greenschist
metamorphic
Green Aventurine
Aventurine (Silicon dioxide, SiO₂)
Mineral; variety of Quartz