Posts of : K. Schmetzer

The role of vanadium and titanium in natural and synthetic chrysoberyl and alexandrite – coloration, chatoyancy and asterism

The role of vanadium and titanium in natural and synthetic chrysoberyl and alexandrite – coloration, chatoyancy and asterism. Published in IGC 2013 Vietnam Abstract Proceedings, 84-87.

Author(s): K. Schmetzer, M.S. Krzemnicki, T. Hainschwang, H.-J. Bernhardt

Download PDF

The orientation and symmetry of light spots and asterism in rose quartz spheres from Madagascar

The orientation and symmetry of light spots and asterism in rose quartz spheres from Madagascar. Published in Journal of Gemmology, 2006.

Author(s): K. Schmetzer, M.S. Krzemnicki

Download PDF