Libethenite from South Dakota, USA
USA | |
| Rocks & Minerals: 57: 160 &/or 60: 110 & 112. |
Černý, P., Roberts, W. L., Ercit, T. S., Chapman, R. (1985) Wodginite and associated oxide minerals from the Peerless pegmatite, Pennington County, South Dakota. American Mineralogist, 70 (9-10) 1044-1049 |