Gem-A 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 Gem-A Live. These webinars were created by Gem-A in association with .
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