Corundum Hill Mine, Franklin, Ellijay Mining District, Cowee Valley, Macon Co., North Carolina, USA

Corundum-bearing anorthosite deposit occurs in the gneiss-migmatite complexes of the Appalachian Foldbelt in eastern North America and is a source of abrasive raw materials. Small quantitites of precious ruby were produced as a by-product.

Ref: E.Ya. Kievlenko, Geology of gems, 2003, p. 60

Gemstone List

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