产自巴西的达碧兹紫水晶 (英语)
Gemstones and Sustainable Development Knowledge Hub
Projects developed by the GemHub to benefit miners, cutters, and others involved in the gem and jewelry industry.
IAC Conference on Responsible Gold
Gold: Vortex, Virtues, and Values was hosted by Initiatives in Art and Culture (IAC) at Bohemian National Hall in New York City, April 12–13. Now in its eighth year, the conference has become an annual industry gathering for those looking to evaluate the market, discover exceptional work, and discuss key gold-related issues.
Twelve-Rayed Star Sapphire from Thailand
A black star sapphire produced from eastern Thailand, showing both golden and silver rays, is studied at GIA’s Bangkok lab.

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