(Piz Giuv (Südflanke), Val Giuv, Tujetsch (Tavetsch), Vorderrheintal, Graubünden (Grisons; Grischun), Schweiz (Suisse; Svizzera))
References:
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 362.
Mineral List:5 entries listed. 2 valid minerals.
The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database!