Sphalerite from selected localities.
USA | |
| NBMG Bull 62 Geology and Mineral Deposits of Clark County, Nevada; 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. |