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产自摩谷 Baw Mar 矿的蓝色蓝宝石 (英语)
Reports on the microscopic, chemical, and spectroscopic features that differentiate the high-quality Baw Mar sapphire from “classic” gem-quality Burmese sapphire.
越南陆克彦宝石矿更新 (英语)
Explores the emergence of the Luc Yen area as a producer of corundum, spinel, tourmaline, and other colored stones.


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