SSEF News with a Focus on Antique Gems and Jewellery (2024)
Presentation by Dr. Michael S. Krzemnicki at the Swiss […]
Detection of Low-Temperature Heat Treatment in Corundum: Possibilities and Challenges (2024)
Presentation by Dr. Michael S. Krzemnicki at the GILC conference in Tucson in 2024.
News from the SSEF (2023)
Presentation by Dr. Michael S. Krzemnicki at the Swiss Gemmological Society SGG conference in 2023.
DNA Fingerprinting and Age Dating of Historical Natural Pearls
Presentation by Dr. Laurent E. Cartier at the International Gemmological Conference IGC 2023 in Tokyo, Japan.
Phase transformations as important markers for heat treatment detection of corundum and other gemstones (2023)
Presentation by Michael S. Krzemnicki, Pierre Lefèvre, Wei Zhou at the International Gemmological Conference IGC 2023 in Tokyo, Japan.
ISO standards in the diamond trade: history and benefits (2022)
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)
News from the SSEF (2022)
Presentation by Dr. Michael S. Krzemnicki at the Swiss Gemmological Society SGG conference in 2022.
Zircon inclusions in unheated pink sapphires from Ilakaka, Madagascar: A Raman spectroscopic study
Presentation at the online 2021 International Gemmological Conference by Dr. Michael S. Krzemnicki.
Origin determination and traceability: An overview for gemstones (2019)
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.