Holiday deals: Shop this season’s top products and sales curated by our editors. Of the three, tanzanite is relatively new to the world of gems. According to the Geological Institute of America, the ...

Tanzania has resumed an international gemstone auction in the northeastern Mirerani Ward in the Manyara Region after ...

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 ...

Of the three, tanzanite is relatively new to the world of gems. According to the Geological Institute of America, the stone was first identified in 1967 in Tanzania − hence Tanzanite's name.