Presentation at the 2022 Rendez-Vous Gemmologiques de Paris Conference by Jean-Pierre Chalain (original version of this presentation was in French, this version has been translated into English)
Presentation at the online 2021 International Gemmological Conference by Dr. Michael S. Krzemnicki.
Origin determination and traceability: An overview for gemstones (2019)
New frontiers in pearl analysis: Age dating, DNA fingerprinting and novel radiographic methods (2019)
Presentation by Dr. Michael S. Krzemnicki and Jean-Pierre Chalain at the Pearl Symposium in Bahrain in November 2019.
Presentation by Dr. Michael S. Krzemnicki at IGC 2019 in Nantes, France.
Presentation at IGC 2019 in Nantes (France) by Dr. Hao Wang.
Presentation by Dr. Laurent E. Cartier at the International Gemmological Conference (IGC) in Nantes (France) in August 2019.
Presentation by Jean-Pierre Chalain at the International Gemmological Conference (IGC) in August 2019.
Red Ruby or Pink Sapphire, that’s the Question. Where is the boundary between colour varieties of gems? Presentation by Dr. Michael S. Krzemnicki, SSEF at European Gemmological Symposium (EGS) 2019 in Idar-Oberstein.
A Gemmological Approach to Distinguishing Natural from Synthetic Rubies: LA-ICP-TOF mass spectrometry provides new insights (2019)
Presentation at ECMS 2019 in Prague (Czech Republic) by Dr. Tashia J. Dzikowski-Hutter.