Emeralds and the saga of cleaning and filling fissures
Emeralds and the saga of cleaning and filling fissures. Facette (2017) Author(s): M.S. Krzemnicki
Ruby heat treatment and fracture repair
Ruby heat treatment and fracture repair. Published in Jewellery News Asia, 2001. Author(s): H.A. Haenni
Species identification and treatment detection in dark coloured pearls
Species identification and treatment detection in dark coloured pearls. Published in 2015 Swiss Geoscience Meeting Abstract Proceedings, 134-135. Author(s): W. Zhou, T. Dzikowski
Be-detection by FTIR on corundum; a preliminary report
Be-detection by FTIR on corundum; a preliminary report. Published in IGC 34 Lithuania Abstract Proceedings, 69-71. Author(s): W.A. Balmer, M.S. Krzemnicki
L’identification du traitement HPHT au SSEF (2015)
Presentation by Jean-Pierre Chalain at 2015 Swiss Gemmological Society conference on HPHT treatment detection at SSEF
Contributions de la gemmologie de laboratoire à l’identification du traitement HPHT du diamant
Contributions de la gemmologie de laboratoire à l’identification du traitement HPHT du diamant. Video presentation by Jean-Pierre Chalain in 2014 at the University of Nantes.
Outlook on pearl treatments and testing (2014)
Inhorgenta Pearl Forum talk by Dr. Michael S. Krzemnicki in February 2014.
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.
Treated ruby
Treated ruby. Published in Gems& Jewellery, 2012, 3, 14-17. Author(s): K. Schmetzer, M.S. Krzemnicki, A. Hodgkinson
A historic turquoise jewelry set containing fossilized dentine (odontolite) and glass
A historic turquoise jewelry set containing fossilized dentine (odontolite) and glass. Published in Gems & Gemology, 2011. Author(s): M.S. Krzemnicki, F. Herzog, W. Zhou