Corundum Treatment (2013)
Presentation on developments in treatments of ruby, sapphire and corundum. Focus on characteristics, detection and declaration. Talk given at 2013 Swiss Gemmological Society conference by Dr. Michael Krzemnicki.
News from the SSEF (2013)
News from the SSEF Lab. 2013 Swiss Gemmological Society conference. Presentation by Dr. Michael Krzemnicki
Kashmir sapphire origin determination: potential and limitations (2012)
Presentation by Dr. Michael Krzemnicki at 2012 SGG conference in Switzerland.
News from the SSEF (2012)
Presentation by Dr. Michael Krzemnicki at 2012 SGG conference in Switzerland.
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
Natural pearls and cultured pearls: A basic concept and its variations
Natural pearls and cultured pearls: A basic concept and its variations. Published in Australian Gemmologist, 2012. Author(s): H.A. Haenni
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
Jade, Stone of “gods”: Terms, Concepts & Certification
Jade, Stone of “Gods”: Terms, Concepts & Certification
Radiocarbon dating of pearls (2012)
Presentation by Dr. Michael Krzemnicki on Radiocarbon dating of pearls at 21st International Radiocarbon Conference in Paris, 9-13 July 2012.