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 Large open mussel shell with pink interior
Article
Freshwater Pearling in Tennessee

Natural pearl identification is one of the critical problems in pearl research. The DNA study of pearly mollusks and oysters facilitates solving this problem. To fulfill this goal, GIA sent a group from both research and education to Tennessee to sample the freshwater mollusks for DNA bar coding. Come with us to Camden, Tennessee, to see how we dive for pearly shells.

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Dattaw and Baw Mar
Article
Visit Two of Mogok’s Most Important Mines with GIA

Join GIA’s field gemologists as they visit two of Mogok’s most important mines: the Dattaw ruby mine and Baw Mar sapphire mine.

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