(Hofer Hochalm, Guggernbachtal (Lützlstubach), Stubachtal, Hohe Tauern, Salzburg, Österreich)
Mineralized clefts in amphibolites of the Zwölferzug series (belonging to the Habach formation), protruding from the Felben valley into the northwestern Stubach valley. The rocks are locally disseminated by aplite veins, and do also include sericite slates in some areas. Located south of Geiger mountain and north of the Holland Alp.
Ref.: A. Strasser: Die Minerale Salzburgs, 1989