Padparadscha-like Fancy sapphires with Unstable Colours: Colouration Mechanisms and Disclosure. Published in InColor, 2019, No. 41, 92-94.
The Talisman of Charlemagne: New Historical and Gemological Discoveries. Published in Gems & Gemology, 2019, 55(1), 30-46.
Gemmological Analysis of a Roman Sapphire Intaglio and Its Possible Origin. Published in Journal of Gemmology, 2019, 36(8), 710-724.
Sapphires Heated with Pressure – A Research Update. Published in InColor, Spring 2019, 86-90.
Presentation by Dr. Michael S. Krzemnicki at IGC 2019 in Nantes, France.
Unstable Colouration of Padparadscha-like Sapphires. Published in Journal of Gemmology, 2018, 36(4), 346-354.
News from the SSEF Lab. 2018 Swiss Gemmological Society conference. Presentation by Dr. Michael Krzemnicki
Sapphires from a New Deposit at Bemainty near Ambatondrazaka in Madagascar. Published in Incolor, 2017, 35, 44-47.
Author(s): M.S. Krzemnicki
New Sapphires from Ambatondrazaka, Madagascar. Published in Journal of Gemmology, 2017, 35, 5, 391-392.
Author(s): M.S. Krzemnicki
Le talisman de Charlemagne: nouvelles découvertes historiques et gemmologiques. Published in AFG Revue Française de Gemmologie, 2017, 199, 18-25.
Author(s): G. Panczer, G. Riondet, L. Forest, M.S. Krzemnicki, F. Faure