The parcel of 10 Zambian emeralds submitted to SSEF for testing, which was found to consist of nine emeralds from the Kafubu area, and one emerald from the Musakashi area. Photo: © SSEFAdvanced testing using Laser Ablation Inductively...
SSEF is honoured to take part in the upcoming edition of the GemGenève show at Palexpo in Geneva. We will be offering coloured gemstone express testing services at our booth A39.SSEF GemGenève Booth A39 03-07 November 2021 (03 November is setup day, goods can be submitted) Tel: +41...
We are pleased to announce that we will be present with on-site testing services in Münich (Germany) during the GemWorld show (22-24 October 2021) and GemGenève from 4 - 7 November 2021 in Geneva (Switzerland).Our booth number in Münich will be: B6.450Our booth number...
The latest edition (June 2021) of SSEF’s Facette magazine is now available online as a PDF. This magazine brings you reports of our latest gemmological research and findings, courses and other SSEF activities.- The Science of Gem Testing - New Afghan emeralds- Machine learning...
The Swiss Gemmological Institute SSEF has launched a series of free-of-charge, online courses, entitled “Understanding Gemstones.” With each covering a specific gem, the courses are comprehensive and self-paced by the student, who is able to start and complete them at any time via SSEF’s Internet-based...
The first detailed study characterising an emerald type from Afghanistan that has recently become available in the gemstone trade has been prepared by a team of scientists from the Swiss Gemmological Institute SSEF, and published in the most recent edition of Journal of Gemmology. One...
Origin determination of emeralds is a fascinating subject. In our efforts to gain greater insights into gemstones from different origins, SSEF has developed a new machine-learning-assisted chemical data visualization approach for emerald characterisation.The case study compared 168 emeralds from different origins using a t-SNE (t-distributed stochastic neighbor...
In order to simplify testing submissions to SSEF we now provide clients the option of filling out a digital order form. Please note that all gems or jewellery submitted to SSEF for testing require an order form to be filled out and signed.These new...
The Swiss Gemmological Institute SSEF is introducing a new service to support the documentation of the origin and provenance of pearls, in partnership with the Institute of Forensic Medicine at the University of Zurich. It is made possible by a substantial expansion of the organisation’s...
The latest edition (May 2020) of SSEF's Facette magazine is now available online as a PDF. This magazine brings you reports of our latest gemmological research and findings, courses and other SSEF activities.- Age dating of gems- GemTrack™- Laser inscription of gems- DNA fingerprinting of pearls...