Cobalt - A Critical Rare Industrial Metal Vital to US Energy Policy

Cobalt was discovered around 1736 by Georg Brandt a Swedish chemist. The element was found to give glass a hint of blue. For centuries cobalt has been used as a pigment in glass and porcelain. Chinese artisans used it to color their vases and other ceramics. Over the last few decades cobalt has had a grand resurgence. In the late 1970?s Zaire, now Democratic Republic of Congo had a bloody civil war which cut off the world from much of the production of cobalt.

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