Feldspar Group from selected localities.
USA | |
| MRDS file #10186163. |
| MRDS file #10060216. |
[var: Perthite] Olson, J. C., Hinrichs, E.N. (1960) Beryl-bearing Pegmatites in the Ruby Mountains and Other Areas in Nevada and Northwestern Arizona. Contributions to Economic Geology, United States Department of the Interior, Geological Survey Bulletin 1082-D, 200 pages. |
Chad Mountain Pegmatite, Hummingbird claims, Virgin Peak, Virgin Mountains, Mohave County, Arizona, USA