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

红宝石是所有彩色宝石中价格最高的。优质红宝石的克拉价格持续上涨，多次打破拍卖纪录。点击此处，了解红宝石如此抢手的原因！

Topaz actually has an exceptionally wide color range that, besides brown, includes various tones and saturations of blue, green, yellow, orange, red, pink, and purple. Colorless topaz is plentiful, and is often treated to give it a blue color

Most authorities agree that the name topaz comes from Topazios, the old Greek name for a small island in the Red Sea, now called Zabargad. (The island never produced topaz, but it was once a source of peridot, which was confused with topaz before the development of modern mineralogy.)

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

Learn about the factors that make tourmaline so desirable.

本文介绍如何使用传导焊接技术。

The name “sapphire” can also apply to any corundum that’s not ruby, another corundum variety

蓝宝石属于刚玉矿物。它的颜色可以是纯蓝色，但范围从绿蓝色到紫蓝色不等。“蓝宝石”这个名称也可以用来指代任何非红色且不属于红宝石（另一种刚玉）的刚玉。

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

Traditionally, sapphire symbolizes nobility, truth, sincerity, and faithfulness.

Perhaps the best-loved gems of all time, pearls—both natural and cultured pearls—occur in a wide variety of colors. Learn about the factors that make pearls so popular and desirable!

Opal is known for its unique display of flashing rainbow colors called play-of-color. There are two broad classes of opal: precious and common. Precious opal displays play-of-color, common opal does not.

了解珍珠的耐用性以及如何保养您的珍珠首饰

柘榴石是一组密切相关的矿物，从而使该宝石几乎拥有每一种颜色。

了解钻石的坚固性，以及如何保养您的钻石珠宝。

钻石是唯一一种由单一元素（碳）构成的宝石：其中的碳含量高达 99.95%。 另外 0.05% 可能是一种或一种以上的微量元素，这些原子不属于钻石的基本化学结构。 一些微量元素可以影响它的颜色或晶体形状。

钻石是自然界中最珍贵和美丽的产物。

了解理想的钻石要素。