关于斯里兰卡有色宝石的注释文献清单

An overview of the Fall 2019 Gems & Gemology content.

世界两大钻石生产商表示，钻石原石销售经过几个月的严重下滑后，目前市场开始企稳。

加利福尼亚州卡尔斯巴德 — 2019 年 11 月 18 日 –《宝石与宝石学》(Gems & Gemology) 2019 年秋季刊将宝石的科学和美丽相结合，充满了耀眼的图像和详细的研究。

世界两大钻石生产商表示，钻石原石销售经过几个月的严重下滑后，目前市场开始企稳。

在 2019 年卡尔斯巴德珠宝行业招聘会上，行业领军代表人物向有志成为行业专家的人士分享他们的成功故事和心得。

在 2019 年卡尔斯巴德珠宝行业招聘会上，珠宝行业领军人物分享他们获得成功事业所走的创意之路。

在亚利桑那州壮丽的沙漠和高山风光下，来一场寻找宝石和矿物宝藏的现代狂野西部自驾游再适合不过了。

An intriguing item was sent by KC Bell to GIA’s Carlsbad laboratory for examination.

Resin materials marketed as imitation ivory were recently acquired by a GIA gemologist.

The New York lab recently identified a sapphire entirely covered with a cobalt coating to enhance its blue color.

A remarkable inclusion scene in diamond is showcased by an unconventional cutting style.

The Hong Kong laboratory recently examined a 14.36 ct pink-orange cushion mixed-cut specimen.

The Tokyo lab received two unusually large laboratory-grown star corundum for examination.

At the GIA Carlsbad laboratory, the authors recently examined a cabochon of “bloodshot” iolite (containing red, eye-visible platelets of hematite) intergrown with a sunstone.

Quartz crystals with three-phase fluid inclusions from the Jinkouhe mine in the Sichuan Province of China have been sold for many years at gem and mineral shows such as those held annually in Tucson, Arizona.

Nigerian aquamarine with exceptionally deep and saturated color also displays unusually strong pleochroism.

Artificial glass, a low-cost material, is capable of simulating any gemstone owing to its range of appearances (bodycolor, transparency, and phenomena).

Recently, a 2.05 ct blue sapphire was sent to Guild Gem Laboratories for identification.

The 2019 AGTA show in Tucson featured the work of a gemstone portrait artist.