Tiffany & Co. named this blue-violet variety of zoisite in honor of Tanzania, where it was first unearthed in 1967.

Tanzanite has only one source: the hills of Merelani in northern Tanzania.

Because tanzanite is only found in one small area of the world, and it is unlikely to ever be found anywhere else, gemologists believe that, in the next 10 to 20 years, no more tanzanite will be found. 

Tanzanite - Sonya K. Fine Jewelry

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