Learn about the factors that make tourmaline so desirable.

Somewhere in Brazil in the 1500s, a Spanish conquistador washed the dirt from a green tourmaline crystal and confused the vibrant gem with emerald. His confusion lived on until scientists recognized tourmaline as a distinct mineral species in the 1800s.

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

Tourmalines come in a wide variety of exciting colors. In fact, tourmaline has one of the widest color ranges of any gem species, occurring in various shades of virtually every hue.

Tourmalines have a very complex chemical composition, and more than a dozen mineral species are recognized within this group.

达碧兹祖母绿拥有独特的六幅车轮图案，是所出产的晶体中最精致、最与众不同的宝石之一，堪称宝石界的标杆。

Identifies 13 copper-bearing tourmalines, which have traditionally been assumed to be elbaite species, as liddicoatite.

在巴西著名的克鲁塞罗矿记录碧玺生产后，GIA 将把你带到中国，了解这些宝石的切磨，进入世界上最热门的碧玺市场。

Andrew Lucas（安德鲁·卢卡斯），Duncan Pay，许焘 (Tao Hsu)，Shane McClure，和 Pedro Padua 十一月 7, 2014

和 GIA 的实践宝石学家们一起，探索巴西的一些最重要，也是产量最高的祖母绿和碧玺矿。

查看纽约大都会艺术博物馆展出的印度和印度风格的珠宝藏品。