This document provides the publication information for Gems & Gemology

This document provides the publication information for Gems & Gemology

This document provides the publication information for Gems & Gemology

This document provides the publication information for Gems & Gemology

This document provides the publication information for Gems & Gemology

This document provides the publication information for Gems & Gemology

This document provides the publication information for Gems & Gemology

爱德华·古柏林博士收集的藏品中，有许多来自世界各地不常见的宝石。

Learn about opal's durability and how to care for your opal jewelry.

Learn about moonstone's durability and how to care for your moonstone jewelry.

To be called moonstone, a mineral’s actual identity is not as important as the beauty of its adularescence.

Turquoise is one of the world’s most ancient gems. Archaeological excavations revealed that the rulers of ancient Egypt adorned themselves with turquoise jewelry, and Chinese artisans were carving it more than 3,000 years ago.

使用信息索取表，获取有关宝石学和珠宝项目和课程的最新信息。

This document provides the publication information for Gems & Gemology

化学上纯净的绿柱石是无色的，但是微量元素使它呈现出绿色，蓝色和粉红色/红色。

人们通常认为石榴石是深红色的宝石，但它也可以是黄色、橙色、绿色或棕色——除了蓝色以外的任何颜色。

Kunzite Journey of the Stone

Learn about Turquoise's durability and how to care for your Turquoise jewelry.

Learn about peridot's durability and how to care for your peridot jewelry.

Learn about lapis lazuli's durability and how to care for your lapis lazuli jewelry.