Presentation on the fascinating diversity and range of colours found in corundum, going far beyond the blue of sapphire and red of ruby.
Author(s): M.S. Krzemnicki
Ming pearls: A new type of cultured pearl from China. The Journal of the Gemmological Association of Hong Kong (2011)
Author(s): H.A. Haenni
Microtomografia computadorizada distingue pérolas naturais das cultivadas com nucleo e sem nucleo (Spanish)
Author(s): M.S. Krzemnicki
Saphirs de couleur fantaisie; diversité multicolore d’une gemme classique
Author(s): M.S. Krzemnicki
Fantasiefarbene Saphire: Die attraktive Farbenvielfalt eines klassischen Edelstein. Gold’Or (2011)
Author(s): M.S. Krzemnicki
Diamant-Typen: Identifikation und Bestimmung von Behandlungen. Gold’Or (2011)
Author(s): J.-P. Chalain
Chrysoberyl: a gem with many faces. Published in GAHK Journal, 2010.
Author(s): H.A. Haenni
Presentation at Swiss Gemmological Society about trip to spinel and corundum deposits in Tanzania in October 2009 by Dr. Walter Balmer and Dr. Michael Krzemnicki
2010 Swiss Gemmological Conference presentation by Jean-Pierre Chalain on diamond grading and testing practices at the Swiss Gemmological Institute (SSEF).
Christie’s Hong Kong Spring Auction lecture by Dr. Michael Krzemnicki. “Gemstones and the fascination of colour”