Quartz from selected localities.
USA | |
| Butler, B. S. (1913) Geology and ore deposits of the San Francisco and adjacent districts, Utah. USGS Professional Paper 80. |
USGS Bull 945D | |
| [var: Chalcedony] UGMS Bull 117 Minerals and Mineral Localities of Utah; Butler, B. S. (1913) Geology and ore deposits of the San Francisco and adjacent districts, Utah. USGS Professional Paper 80. |
Butler, B. S. (1913) Geology and ore deposits of the San Francisco and adjacent districts, Utah. USGS Professional Paper 80. | |
Butler, B. S. (1913) Geology and ore deposits of the San Francisco and adjacent districts, Utah. USGS Professional Paper 80. | |
Butler, B. S. (1913) Geology and ore deposits of the San Francisco and adjacent districts, Utah. USGS Professional Paper 80. | |
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.; Butler, B. S. (1913) Geology and ore deposits of the San Francisco and adjacent districts, Utah. USGS Professional Paper 80. | |
| UGMS Bull 117 Minerals and Mineral Localities of Utah |
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. |
Cactus Mine, Preuss Mining District, San Francisco Mountains, Beaver County, Utah, USA