Ali Juoyawatu founded the first Tanzanite crystal at the base of Mount Kilimanjaro in 960.Tanzanite soon found its way to America , arriving at the New York based Jewelers Tiffany & Co.

Tanzanite belongs to Zoisite family of gemstone , it has the hardness from 6.50-7.00 and the refractive index ranges from 1.68-1.72 with relative density of 3.35,

Tanzanite‘s blue-purple fire soon took the fashion world by storm and was heralded “the gemstone of the 20th century”. Demand for Tanzanite jewelry grew dramatically as its global appreciation increased, and in 1998 and 1999 Tanzanite was proclaimed the world‘s best selling colored gemstone.