Nail-head Spicules as Inclusions in Chrysoberyl from Myanmar
Nail-head Spicules as Inclusions in Chrysoberyl from Myanmar. Published in Journal of Gemmology, 2015, 5, 434-438. Author(s): K. Schmetzer, M.S. Krzemnicki
Natural and synthetic vanadium-bearing chrysoberyl
Natural and synthetic vanadium-bearing chrysoberyl. Published in Journal of Gemmology, 2013, 33, 7–8, 223-238. Author(s): K. Schmetzer, M.S. Krzemnicki, T. Hainschwang, H.-J. Bernhardt
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
Treated ruby
Treated ruby. Published in Gems& Jewellery, 2012, 3, 14-17. Author(s): K. Schmetzer, M.S. Krzemnicki, A. Hodgkinson
Vanadium-bearing gem-quality tourmalines from Madagascar
Vanadium-bearing gem-quality tourmalines from Madagascar. Published in Journal of Gemmology, 2007. Author(s): K. Schmetzer, H.-J. Bernhardt, C. Dunaigre, H.A. Haenni
Gem-quality taafeeites and musgravites from Africa
Gem-quality taafeeites and musgravites from Africa. Published in Journal of Gemmology, 2007. Author(s): K. Schmetzer, M.S. Krzemnicki, H.A. Haenni, H.-J. Bernhardt, T. Pettke
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
Sapphires from New Zealand
Sapphires from New Zealand. Published in 2006. Author(s): L. Kiefert, M.S. Krzemnicki, G. Du Toit, R. Befi, K. Schmetzer
Gemmological properties and chemical composition of gemquality taaffeites and musgravites from Sri Lanka and Africa
Gemmological properties and chemical composition of gem-quality taaffeites and musgravites from Sri Lanka and Africa. Published in GIT Proceedings, 2006. Author(s): K. Schmetzer, M.S. Krzemnicki, H.A. Haenni, H.-J. Bernhardt
Asterism in beryl, aquamarine and emerald- an update
Asterism in beryl, aquamarine and emerald- an update. Published in Journal of Gemmology, 2004. Author(s): K. Schmetzer, L. Kiefert, H.A. Haenni