Quartz from Goldswil, Ringgenberg, Interlaken-Oberhasli, Bern, Switzerland
Switzerland | |
| [var. Oil Quartz] Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 391. |
Switzerland | |
| [var. Oil Quartz] Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 391. |