Staurolite Garnet Schist,Keystone, South Dakota

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Photo credit: © John Cancalosi / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: crust, crystalline, deposit, deposited, earth, element, elemental, elements, eon, gem, geological, geology, geometric, hardness, industrial, metallic, metallurgical, metallurgy, mined, mineral, mineralogy, minerals, mining, molecule, ores, precious, rock, scientific, specimen, specimens, symmetrical, symmetry, valuable