Career
He was a student at the Universities of Vienna, Graz and Heidelberg, and following graduation, worked as an assistant to Gustav Tschermak von Seysenegg at the Mineralogisch-Petrographischen Institut in Vienna (1874). Later the same year, he began work as an assistant at the Imperial Hofmineralien Cabinet. In 1888 he became a curator, followed by titles of leiter (1895) and director (1904) of the mineralogy-petrography department.
In 1901, with August von Loehr, he founded the Wiener Mineralogische Gesellschaft (in 1947 the name of the association was changed to Österreichische Mineralogische Gesellschaft).