Quartz from selected localities.
USA | |
| Min.Rec.: 20(5):404. |
| USGS Bull 1451 |
| Min Rec 20:1 pp54-55 |
| [var: Chalcedony] D. Wells collection |
[var: Chalcedony] U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
Jerry Cone Collection |
Beryllium Virgin claim, Paramount Canyon, Sierra County, New Mexico, USA