Department of Mineralogy, Petrography and Geochemistry, AGH, University of Science and Technology, al. Mickiewicza 30, 30-059 Kraków, Poland; jmajka@poczta.fm
Bartosz Budzyń
Institute of Geological Sciences, Jagiellonian University, Oleandry 2a, 30-063 Kraków, Poland; budzyn@geos.ing.uj.edu.pl