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”
Talk given by Dr. Michael Krzemnicki in Hong Kong in 2010 about spinel, a gemstone increasingly in vogue. History, sources, origin determations, synthetics and treatments.
Talk on ruby treatments and terminology during CIBJO Ruby Day in Munich in February 2010.
Author(s): M.S. Krzemnicki