Beryl from selected localities.
USA | |
| No reference listed |
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
[var: Emerald] Rocks & Min.:60:92.; American Mineralogist,Vol.18,No.4,April,1933 pp 148-159 | |
| Kunz,George Frederick.,(1907)History of the Gems found in North Carolina :Bulletion No.12 |
[var: Aquamarine] [MinRec 27:289-290] |
Crabtree Mine, Spruce Pine, Mitchell County, North Carolina, USA