Скачать или смотреть Where Does 'Jet Black' Come From?

You've probably heard the term 'jet black' but had no idea where it came from. Well, look no further, 'jet black' actually comes from a special gemstone called Jet.

More info on Jet: http://www.jtv.com/library/jet-facts....

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JTV 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 gem expert by immersing yourself in JTV’s channel. Natalie, our host, is a Graduate Gemologist and an Applied Jewelry Professional.


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Sisk Gemology Reference: http://www.jtv.com/sisk-gemology-refe...