London: The Gemmological Association of Great Britain (Gem-A) has launched the latest issue of its academic publication, The Journal of Gemmology (Volume 39, No. 4, 2024). Released
London: The Gemmological Association of Great Britain (Gem-A) has launched the latest issue of its academic publication, The Journal of Gemmology (Volume 39, No. 3, 2024). Released
Basel: The Swiss Gemmological Institute SSEF has announced the successful conclusion of validation testing of the ASDI-500, the newest version of the Automated Diamond Spectral
Basel: For 50 years, the Swiss Gemmological Institute SSEF has been at the forefront of scientific gemmological research and testing to support a thriving gemstone
Basel: For several months already a supply of blue cobalt-bearing spinel has been appearing in the gem trade, including some stones of remarkable size –up
Basel: Advanced testing using Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LAICPMS) on an anomalous stone from a batch of 10 emeralds submitted to the
Basel: 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
Basel: The first detailed study characterising an emerald type from Afghanistan that has recently become available in the gemstone trade has been prepared by a
Milan: CIBJO has launched a new informational website, called “What is a Diamond?” Its purpose is to inform consumers and members of the jewellery and
Basel: The Swiss Gemmological Institute SSEF is introducing a new service to support the documentation of the origin and provenance of pearls, in partnership with
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