
Blue Sapphires From a New Deposit Near Andranondambo, Madagascar (英语)
A recent rush in Madagascar yields new sapphire production.

Large Colorless HPHT Synthetic Gem Diamonds from China (英语)
A report on the HPHT growth of large, gem-quality colorless synthetic diamonds in China.

Paula Crevoshay’s American Collection, Plus Jewelry with Nontraditional Gemstones (英语)
Lesser-known gem materials are seen in pieces alongside a collection created as an artistic inheritance for future generations of jewelry fans.





为斋蒲尔王公和现代权贵服务的珠宝商
走进一个不为西方人了解的世界——一个王公及其珠宝的世界,一个令现代商业和娱乐大亨以及皇族垂涎的世界。 看看现今采用珐琅 Kundan meena 珠宝和皇家气质的 polki 钻石制作的梦幻般的艺术品。





印度斋浦尔:祖母绿切割和交易中心
印度斋浦尔是全球宝石和珠宝行业重要的祖母绿切割和交易中心。 跟随 GIA 实地考察团队一起探访整个行业,了解公众或业内大部分成员都很难得见到的一家企业内部的错综复杂。

璀璨内陆:探秘澳大利亚的蛋白石矿场 (英语)
Documents a trip to the renowned opal fields of Lightning Ridge, Koroit, Yowah, and Quilpie.

石墨内含物形成钻石的八面体轮廓 (英语)
An inclusion outlined by minute graphite crystals within a diamond create an octahedral shape.

Two Large CVD-Grown Synthetic Diamonds Tested by GIA (英语)
Two near-colorless rounds, weighing 3.23 and 2.51 ct, were the largest CVD-grown synthetic diamonds GIA has examined.

马达加斯加 Zahamena 国家公园的一个新矿床出产的红宝石 (英语)
A field expedition from GIA Bangkok explores a new ruby deposit and collects specimens for study.

2015 年《宝石与宝石学》(Gems & Gemology) 冬季刊两大亮点:镁铝榴石柘榴石和蒙大纳州蓝宝石
《宝石与宝石学》(Gems & Gemology, G&G) 简报介绍了《宝石与宝石学》(Gems & Gemology) 2015 年冬季刊的内容概要。

Book Review: Collector’s Guide to Herkimer Diamonds
书评:Collector’s Guide to Herkimer Diamonds(《赫基默钻石收藏家指南》),作者:Michael R. Walter(迈克尔·R·瓦尔特)。

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