(Steinbruch Gruber, Unterberg, Großarl, Großarltal, Radstädter Tauern, Salzburg, Österreich)
Mineralizations in triassic dolomite (Radstatt series), hosted by chlorite schists and sericite-quartzite schists.
Located near Unterberg, north of Großarl.
Ref.:
- A. Strasser: Die Minerale Salzburgs, 1989