Gypsum from selected localities.
USA | |
| [var: Selenite] U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
| http://gsa.confex.com/gsa/2002RM/finalprogram/abstract_33477.htm. |
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.; U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
| [var: Selenite] UGMS Bull 117 Minerals and Mineral Localities of Utah; Mccaskey, H.D., 1912, Quicksilver In 1911, Production And Resources, Advance Chapter From Mineral Resources Of United States For 1911, P. 28-29. |