Mottramite from selected localities.
USA | |
| NBMG Open File Report 79-3; U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
NBMG Spec. Pub. 31 Minerals of Nevada U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |