Naumannite from Arizona, USA
USA | |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 147, 150, 296, 311, 405, 414 Wenrich, K.J. & H.B. Sutphin (1989), Lithotectonic setting necessary for formation of a uranium-rich, solution-collapse breccia-pipe, Grand Canyon region, AZ, USGS Open File Rept. 89-0173. |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 311. |