几千年来，红宝石和蓝宝石（通常为蓝色，有时也有各种其他颜色）一直都是最重要的有色宝石。这些刚玉族矿物包含各种颜色类别，历史上原产于东南亚和中亚地区，如今由于它们珍贵稀有、色彩瑰丽、坚硬耐磨，已经成为备受追捧的宝石。由于有向分布的矿物内含物，刚玉可以呈现出星光和猫睛光，在不同的光源下观察时，有时还会变色。

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

Aquamarine is the green-blue to blue variety of the mineral beryl.

Named after seawater, aquamarine’s fresh watery hue is a cool plunge into a refreshing pool

Learn about the factors that make aquamarine so desirable.

The name “aquamarine” is derived from two Latin words: aqua, meaning “water,” and marina, meaning “of the sea.”

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。

宝石学摄影记者 Robert Weldon（罗伯特·韦尔登）分享了他最喜欢的一些照片，并讲述了背后的故事。

Learn tips and tricks for taking great photos of gems and jewelry, even from your mobile device’s high-resolution camera.