
Plume Agate from Iran
Two varieties of colorful plume agates, characterized by inclusions resembling clouds of smoke, are sourced from Iran.

Summer 2019 G&G: Mozambican Ruby, Challenges in Pearl Identification, and an Opal Inclusions Chart
An overview of the Summer 2019 Gems & Gemology content.

Euhedral Phantom Sapphire in Sapphire
A phantom sapphire crystal within a host sapphire crystal was recently examined at GIA’s Carlsbad laboratory.















历史文献清单:古代印度的钻石

在消费者的新期望中拥抱可持续发展
星期五, 五月 31, 2019 12:00 – 13:30 JCK 拉斯维加斯珠宝展 金沙会展中心 201 金沙大道 拉斯维加斯,内华达州 89169 1 楼 303 和 304 室

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