Blister pearls attached to shells are seen in both the Bangkok and New York laboratories.

Documents a visit to the upper Missouri River and Rock Creek sapphire mining areas.

Evaluates the usefulness of Raman spectroscopy in distinguishing the color varieties of nephrite based on the relative ratio of Mg to Fe concentration.

Analysis of a diamond graded Fancy blue revealed a CVD synthetic overgrowth on natural diamond.

GIA 曼谷鉴定所为 41 颗柬埔寨-泰国红宝石出具的分析报告。

在 2011 年的大地震之后，校友会决心带领同行度过动荡时期。 强调帮助校友相互联系的重要性。

Farmers have experimented with bead nucleation, but until recently the methods tried did not produce the quantity or quality necessary for economic success.

春天 2017年拍卖季节看见两个重要的价格记录秋天和固体，如果不上涨，价格为顶部宝石一刀切。

设计师应对市场趋势，对钻石的需求超出预期。此外，节日期间的钻石营销宣传也对市场起到推波助澜的作用。

浮雕丰富的历史和知识将历史、神话及珠宝爱好者引入了迷人的收藏世界。