Hercynite from selected localities.
USA | |
| Betancourt, P.P. : The Picking Table, Vol. 27(2):2-10; Parker, F.: The Picking Table:24(2):9; Dunn(1995):Pt4:581. |
| Dunn, Pete J. (1995) |
USA | |
| Betancourt, P.P. : The Picking Table, Vol. 27(2):2-10; Parker, F.: The Picking Table:24(2):9; Dunn(1995):Pt4:581. |
| Dunn, Pete J. (1995) |