Age Dating applied as a testing procedure to gemstones and biogenic materials (2019)
Presentation by Dr. Michael S. Krzemnicki at IGC 2019 in Nantes, France.
Multi-Element Analysis of Gemstones For Country of Origin Determination (2019)
Presentation at IGC 2019 in Nantes (France) by Dr. Hao Wang.
DNA fingerprinting of precious corals an pearls (2019)
Presentation by Dr. Laurent E. Cartier at the International Gemmological Conference (IGC) in Nantes (France) in August 2019.
Study of a recut HPHT synthetic diamond: Colour VS size VS SWUV transmission (2019)
Presentation by Jean-Pierre Chalain at the International Gemmological Conference (IGC) in August 2019.
Where is the boundary between colour varieties of gems? (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.
On the trail of new gem deposits (2018)
Presentation by Dr. Michael S. Krzemnicki at GAHK conference in September in 2018, entitled ‘On the trail of new gem deposits: Exciting for the trade but challenging for gem labs’.
SSEF Fieldtrip to Paraiba, Brazil (2018)
Presentation given by Alexander Klumb at 2018 Swiss Gemmological Society conference on an SSEF fieldtrip to the Paraiba region of Brazil.
News from the SSEF (2018)
News from the SSEF Lab. 2018 Swiss Gemmological Society conference. Presentation by Dr. Michael Krzemnicki
Radiocarbon 14C dating of pearls: From the study of cultural heritage to cultured pearl identification (2017)
2017 presentation by Dr. Michael Krzemnicki at Jewellery Matters Symposium at Rijksmuseum in Amsterdam (Netherlands).