A Tanzanian small-scale miner, who became an overnight millionaire in June for selling two rough Tanzanite stones valued at $3.4m (£2.6m), has sold another gem for $2m. The third discovery by ...

A small-scale miner in Tanzania has become an overnight millionaire after selling two rough Tanzanite stones - the biggest ever find in the country. Saniniu Laizer earned £2.4m ($3.4m ...

and Tiffany & Co. would later introduce the world to this rare and extraordinary gemstone, naming it after its country of ...