Gem A Live: Composite Gemstones
GemA guest lecturer, Julia Griffith FGA DGA, provides insight into composite gemstones. This lecture covers the construction and identification of: Opal Doublets and Triplets Soudé Stones Corundum Doublets Garnet Topped Doublets (GTD) This webinar was created as part of a weekly series of webinars known as GemA Live. These webinars were created by GemA in association with
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