Arusha, Tanzania--A series of surveys conducted by mining and supply company
TanzaniteOne have shown that the blue gem’s supply will not be depleted anytime soon.
Dr. Bernard Olivier, CEO at the company, told National Jeweler that, while Tanzanite miners
face challenges in continued extraction of the gems as mines deepen, "TanzaniteOne currently
has an estimated life of mine of up to 20 years at the current mining rate of approximately
2.2 million carats per annum.
(Excerpted from National Jeweler Article, May 2011)
Robert Lejman, G.G.(GIA)