Strüverite from selected localities.
USA | |
| R&M 75:3 pp 156-169 |
| 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.; USGS Prof Paper 297A |
Etta Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA