Rubies: Connecting Sources, Treatment and Science | GIA Knowledge Sessions Webinar Series

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28 Jul 2020

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GIA Knowledge Sessions Webinar - recorded live on May 7, 2020. Known as “the king of precious stones,” untreated rubies are some of the most valuable colored gems in the world. What ruby deposits have supplied royalty for centuries and what new deposits are taking the gem and jewelry market by storm? How can treatments enhance these stones? Tune in as Wim Vertriest, supervisor of field gemology at GIA Bangkok, explores the mining, treatment, lore and politics of these legendary gems. Read more of Wim Vert

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