Today's all about tourmaline! Explore the geology & gemology behind this amazing rainbow gemstone. Join Rebecca & Brittany as they check out watermelon, schorl, indicolite, rubellite, and so many more tourmaline specimens! Get science facts from 2 perspectives! Learn how these complex minerals form and which variety is among the most valuable stones in the world!

00:45 - Top Tourmaline facts
02:20 - How Tourmaline Forms
05:10 - Giant Tourmaline Slice
07:03 - Varieties & Colors of Tourmaline: blue tourmaline, red tourmaline, more!
11:39 - Cut of Tourmaline
12:41 - Cat's Eye Tourmaline
13:40 - Tourmaline's Electric Properties
14:40 - American Tourmaline

Grab your own Tourmaline Parcel!
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Gemstones.com is one of the leading experts on gemstones and is the best source on YouTube for all things gem related. Featuring gem history, the science behind the stones, gemstones in pop culture, and much more, you too can become a gemology expert by immersing yourself in the Gemstones.com channel. Rebecca, our host, is a Graduate Gemologist from the Gemological Institute of America and has an FGA from the Gemmological Association of Great Britain.

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