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
Jewelry repair damages a diamond
Jewelry repair damages a diamond. Published in Gems & Gemology, 2006. Author(s): H.A. Haenni
About type II diamonds showing a 648.0 nm PL peak
About type II diamonds showing a 648.0 nm PL peak. Published in GIT Proceedings, 2006. Author(s): J.-P. Chalain, P. Lefevre, 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
A short review of the use of ‘keshi’ as a term to describe pearls
A short review of the use of ‘keshi’ as a term to describe pearls. Published in Journal of Gemmology, 2006. Author(s): H.A. Haenni
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
Perspectives of LIBS in gemstone testing Analysis of light elements such as beryllium, boron, lithium
Perspectives of LIBS in gemstone testing Analysis of light elements such as beryllium, boron, lithium. Published in GIT Proceedings, 2006. Author(s): M.S. Krzemnicki, T. Pettke, H.A. Haenni
Origin Determination of Gemstones: Challenges and Perspectives
Origin Determination of Gemstones: Challenges and Perspectives. Published in GIT Proceedings, 2006. Author(s): M.S. Krzemnicki, H.A. Haenni, P. Lefevre, J.-P. Chalain