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.
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
Update on “chocolate” Tahitian cultured pearls
Update on “chocolate” Tahitian cultured pearls. Published in Gems & Gemology, 2006. Author(s): H.A. Haenni
Observations on treated ruby and sapphire
Observations on treated ruby and sapphire. Published in Taiwan Jewellery World Magazine, 2006. Author(s): H.A. Haenni
News about treated brown cultured pearls
News about treated brown cultured pearls. Published in GAHK Journal, 2006. Author(s): H.A. Haenni
Study shows chocolate pearls are ‘stained’
Study shows chocolate pearls are ‘stained’. Published in Jewellery News Asia, 2006. Author(s): H.A. Haenni
Black treated diamond with colour zoning
Black treated diamond with colour zoning. Published in 2006. Author(s): M.S. Krzemnicki
Une nouvelle méthode pour la détection des corindons traités par diffusion du béryllium: Laser-induced Breakdown Spectroscopy (LIBS)
Une nouvelle méthode pour la détection des corindons traités par diffusion du béryllium: Laser-induced Breakdown Spectroscopy (LIBS). Published in Revue A.F.G., 2005. Author(s): M.S. Krzemnicki, H.A. Haenni, R. Walters, J.-P. Chalain
Breakthrough in orange – the potential of GemLIBS in gem testing
Breakthrough in orange – the potential of GemLIBS in gem testing. Published in Jewellery News Asia, 2005. Author(s): H.A. Haenni