Uraninite from selected localities.
USA | |
| [var: Pitchblende] U.S. Geological Survey Professional Paper 371 |
| Dana 6: 1089-1090.; U.S. Geological Survey Bulletin 1032-C |
| [var: Pitchblende] U.S. Geological Survey Professional Paper 371 |
USA | |
| [var: Pitchblende] U.S. Geological Survey Professional Paper 371 |
| Dana 6: 1089-1090.; U.S. Geological Survey Bulletin 1032-C |
| [var: Pitchblende] U.S. Geological Survey Professional Paper 371 |