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Geng Li

Dr. FGA, DGA ,Associate Professor,

School of Gemmology, China University of Geosicences, Beijing

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Company/Business

School of Gemmology, China University of Geosicences, Beijing
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Gemstones
Cultured Pearls, Corundum, Garnet, Fancy Color Sapphire, Emerald, Jade, Pearls, Sapphire, Spinel, Rubellite Tourmaline, Tourmaline, Demantoid
Business Categories
Education, Wholesaler
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