Tanzanite has had a volatile price history. It occurs only in one location in Tanzania. In 2010, the government's efforts to prevent smuggling and ban exports of large rough caused retail prices to skyrocket, but in 2014 prices crashed. However, prices are rising again. Intense blue tanzanite, 11.34 cts. Photo courtesy of liveauctioneers.com and Jasper52.
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|Natural or man made||Natural|