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- 碧玺（电气石的工艺品名）_百度百科
英语名称Tourmaline由古僧伽罗 (锡兰)语Turmali一词衍生而来，意思为“混合宝石”。 碧玺的成分复杂，颜色也复杂多变。 国际珠宝界基本上按颜色对碧玺划分商业品种，一般颜色越是浓艳价值越高。 选购时应注意颜色、透明度以及纯净度等。
- Tourmaline - Wikipedia
Tourmaline is a six-member ring cyclosilicate having a trigonal crystal system It occurs as long, slender to thick prismatic and columnar crystals that are usually triangular in cross-section, often with curved striated faces
- What Is Tourmaline Gemstone | Tourmaline Stone – GIA
Birthstones Anniversaries Tourmaline is a birthstone for October, along with opal Tourmaline is also the gem of the eighth anniversary
- Tourmaline Gem, Price, and Jewelry Information - IGS
Everything you ever wanted to know about tourmaline Find value guidelines, scientific data, expert comments, and more in our Gem Listings
- Tourmaline: Earths most colorful mineral and gemstone
What is Tourmaline? Tourmaline is the name of a large group of boron silicate minerals These minerals share a common crystal structure and similar physical properties - but vary tremendously in chemical composition
- Tourmaline: Ultimate Guide To Tourmaline (What It Is and Where To Find . . .
Discover the origins, properties, and varieties of tourmaline, and learn the best locations to find this colorful gemstone Whether you're a seasoned collector or just starting out, our guide has everything you need to add tourmaline to your collection today
- What is Tourmaline? | Natural History Museum of Utah
Tourmaline is a favorite of mineral collectors, gemstone collectors, and anyone who loves colorful semiprecious gemstone jewelry It is often found in transparent crystals that have bright colors and are large enough for display, for faceting into gemstones, and even for carving
- Tourmaline: The gemstone Tourmaline information and pictures
Detailed gem and jewelry information guide about the gemstone tourmaline: information pictures (rubellite, paraiba, watermelon, chrome)
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