本文介绍了如何制定计划以提高工作效率。

More than 20 intricate and lifelike animal carvings from world-renowned gemstone carvers Gerd and Patrick Dreher on display in Carlsbad.

此次展览展示了 4,000 多克拉的钻石，讴歌了宝石的奥秘，因为宝石持续吸引着世界范围内的宝石学家，并激发世界范围内的设计师和艺术家们的灵感。

《南亚庙宇与珍宝》——这场璀璨夺目的全新展览落户于加利福尼亚州卡尔斯巴德的 GIA 总部，带领参观者沉浸于富丽堂皇的庙宇景致之中。此处陈列的宝石、宝石晶体与珠宝不仅是诱人的闪耀之物，更是通往更高神力的通道。

A GIA team from Education and Lab Services visited the upper Missouri River sapphire deposits in Montana. The first sapphire discovery in the Treasure State, these deposits have been mined for over 150 years. The team witnessed the mining at the richest source, Eldorado Bar, and purchased a mine run to enrich GIA’s corundum collection.

希望预见未来？成为雄辩的演说家？打破魔法诅咒？这些都是有关祖母绿的传说。

A comparison of the magnetic properties of synthetic and natural diamonds.

This article, from the Fall 1986 issue of Gems & Gemology, is a compilation of abstracts of important gemology-related articles published outside of Gems & Gemology.

Nickel is found to contribute to the color of a synthetic diamond seen in the New York lab.

A vibrant orange and yellow agate displays interesting concretions in its core.

At the AGTA show, lapidarist James Carpenter explains his use of sugar/heat treatment to enhance opal.

Glass identified as the raw material used to conceal damage of a natural emerald.

Laboratory observation of fissures in an apatite cabochon before and after oiling.

Pronounced cubic cavities, sometimes containing fluorite, are observed in a rare hyalite sample.

Hexagonal growth hillocks are observed on gem-quality aquamarine from Pakistan.

Aquamarine is faceted to display a red spessartine garnet crystal inclusion.