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Gemmology Practice Week

Coloured Stones & Gem Identification Diploma

You followed a gemmology course some time ago ? Never heard about golden sheen sapphire or about the new generation of cobalt-treated sapphire?

This practice week allows students to review and update their knowledge. Using the refractometer, the polariscope and all the others relevant instruments, you will be able to improve your level of competence regarding the identification of gems and you will rediscover the wide variety of existing gemstones.

Personalized feedback is given by the teachers to improve the quality of the analysis


Ruby, Sapphire and Emerald

A 5-day workshop designed to introduce you to the fascinating world of gems. How to identify them and how to detect natural ones from imitations and synthetics. You will also learn a lot about treatments that can alter the appearance and properties of these gemstones