Quartz from selected localities.
USA | |
| 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. |
USGS Bull 945D | |
Sainsbury, C.L. (1962) Helvite near Beaver, Utah. American Mineralogist, 47, 395-398. | |
[var: Prase] UGMS Bull 117 Minerals and Mineral Localities of Utah |
Rock Corral, Beaver County, Utah, USA