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Switzerland | |
| Dill, H. G. (2008). Geogene and anthropogenic controls on the mineralogy and geochemistry of modern alluvial–(fluvial) gold placer deposits in man-made landscapes in France, Switzerland and Germany. Journal of Geochemical Exploration, 99(1-3), 29-60. |
| Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 362. |
| Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 363. |
Val Casatscha, Val Cristallina, Val Medel, Medel, Surselva Region, Grisons, Switzerland