![](http://www.alamy.com/thumbs/6/A0C06BBB-FA55-455B-A36C-3E56C2E545AD/DACAF6.jpg)
Albite Aplite, Black Hills, 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