Microcline from selected localities.
USA | |
| R&M 75:3 pp 156-169 |
USGS Prof Paper 297D; Redden, Jack Allison (1959) Beryl deposits of the Beecher No.3 Black Diamond pegmatite, Custer County, South Dakota. USGS Bulletin: 1072- | |
Campbell, T.J., Roberts, W.L. (1985) Mineral Localities in the Black Hills of South Dakota. Rocks & Minerals: 60(3): 109-118 (117). | |
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
R&M 75:3 pp 156-169 | |
R&M 75:3 pp 156-169 | |
R&M 75:3 pp 156-169 | |
Christopher N. Wentzell | |
R&M 75:3 pp 156-169; Staatz, M. H.; Page, L. R.; Norton, J. J.; Wilmarth, V. R. (1963) Exploration for beryllium at the Helen Beryl, Elkhorn, and Tin Mountain pegmatites, Custer County, South Dakota. USGS Prof. Paper 297C. | |
R&M 75:3 pp 156-169 | |
R&M 75:3 pp 156-169 | |
R&M 75:3 pp 156-169 | |
Van King | |
R&M 75:3 pp 156-169 | |
R&M 75:3 pp 156-169 | |
Rocks & Min.: 16:360-363. | |
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
R&M 75:3 pp 156-169; USGS Prof Paper 297D | |
R&M 75:3 pp 156-169 | |
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills" | |
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
R&M 75:3 pp 156-169 | |
R&M 75:3 pp 156-169 | |
R&M 75:3 pp 156-169 | |
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |