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
Colour change effects in gemstones: Causes and perception
Colour change effects in gemstones: Causes and perception. Published in IGC 2013 Vietnam Abstract Proceedings, 110-113. Author(s): M.S. Krzemnicki, W. Zhou, J. Maizlan
Some uncommon sapphire “imitations”: Blue Co-zirconia, kyanite and blue dumortierite
Some uncommon sapphire “imitations”: Blue Co-zirconia, kyanite and blue dumortierite. Published in Journal of the Gemmological Association of Hong Kong GAHK, 34, 62-64 Author(s): M.S. Krzemnicki
Pearl or gemstone? Galatea pearls: a ‘new’ pearl product from French Polynesia
Pearl or gemstone? Galatea pearls: a ‘new’ pearl product from French Polynesia. Published in IGC 2013 Vietnam Abstract Proceedings, 64-66. Author(s): L.E. Cartier, M.S. Krzemnicki, J. Rere
New developments in cultured pearl production: use of organic and baroque shell nuclei
New developments in cultured pearl production: use of organic and baroque shell nuclei. Published in Australian Gemmologist, 2013, 25, 1, 6-13. Author(s): L.E. Cartier, M.S. Krzemnicki
Age determination of pearls: a new approach for pearl testing and identification
Age determination of pearls: a new approach for pearl testing and identification. Published in RADIOCARBON, Vol 55, Nr 2–3, 2013, p 1801–1809. Author(s): M.S. Krzemnicki, I. Hajdas
Treated ruby
Treated ruby. Published in Gems& Jewellery, 2012, 3, 14-17. Author(s): K. Schmetzer, M.S. Krzemnicki, A. Hodgkinson
Paraiba tourmaline intergrown with lepidolite mica
Paraiba tourmaline intergrown with lepidolite mica. Published in Journal of the Gemmological Association of Hong Kong GAHK, 33, 56-58. Author(s): M.S. Krzemnicki
Cultured pearl farming and the production in the Federal States of Micronesia
Cultured pearl farming and the production in the Federal States of Micronesia. Published in Gems & Gemology, 2012. Author(s): L.E. Cartier, M.S. Krzemnicki, M. Ito