资讯
The country plans to use a trade show in Bangkok this week to remind the world of its expertise in processing and perfecting natural stones. Narinthada Sasirat controlling the temperature of a kiln ...
The Smithsonian’s National Museum of Natural History will unveil the Lion of Merelani, one of the most exquisite colored gemstones in the world, Thursday, April 20. The glowing green gem is a ...
On the back of increasingly vociferous calls from government for greater levels of beneficiation of locally-mined diamonds and precious metals, Belgian diamond polisher Rosy Blue yesterday announced ...
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