Muscovite from Intschi, Gurtnellen, Reuss Valley, Uri, Switzerland
Switzerland | |
| [var. Sericite] Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 303-304. |
Switzerland | |
| [var. Sericite] Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 303-304. |