Presentation on origin determination of coloured gemstones by Dr. Michael Krzemnicki at 2014 Scottish Gemmological Conference.
Preserving the heritage of gemstone regions and resources worldwide:Future directions. Published in Episodes, 2017, 40, 3, 233-236.
Author(s): L.E. Cartier
Colour change effects in gemstones: Causes and perception. Published in IGC 2013 Vietnam Abstract Proceedings, 110-113.
Author(s): M.S. Krzemnicki, W. Zhou, J. Maizlan
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
Identification of gemstone treatments with Raman spectroscopy. Published in Proceedings of SPIE, 2000.
Author(s): L. Kiefert, H.A. Haenni, J.-P. Chalain