Fluorite from selected localities.
USA | |
| U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
Shawe, Daniel R.,(1976) Geology and Resources of Fluorine in the United States ;USGS Professional Paper 933 | |
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills" | |
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
| Rocks & Minerals: 75(3): 156-169. |
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills" | |
Loomis, T.A. (1999) The Ross Hannibal Mine, Lawrence County, South Dakota. The Mineralogical Record: 30: 199-206 (203). | |
Chris Emproto Collection |
Homestake Mine, Lead, Lead Mining District, Lawrence County, South Dakota, USA