Furnaces, Fluxes and Filling: A Review of Ruby Treatment | GIA Knowledge Sessions Webinar Series

GIA Knowledge Sessions Webinar - recorded live on October 15, 2020.

Many gems are treated to improve their appearance. While treatments can be controversial, they help provide a market for a wide variety of qualities of natural gemstones, which helps keep the supply chain going. Ruby, the king of gemstones, is no exception in often being treated. The degree of treatment varies from none to minimal to a total make-over and can affect value accordingly. Follow GIA Supervisor of Field Gemology Wim Vertriest, as he explores common ruby treatments, their results and how to identify them.

Read more of Wim Vertriest's research:
https://www.gia.edu/gems-gemology/spring-2017-gemnews-new-discovery-emeralds-ethiopia
https://www.gia.edu/gems-gemology/winter-2017-microworld-complex-yellow-fluid-inclusions
https://www.gia.edu/gems-gemology/summer-2019-decade-of-ruby-from-mozambique

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