DAR ES SALAAM, Tanzania (AFP) — A Tanzanian small-scale miner has become a multimillionaire after uncovering two of the biggest of the country’s precious tanzanite stones ever found and selling them ...

Different colour characteristics, durability and availability affect the price and demand of the two gemstones ...

A small-scale miner in Tanzania who had become an overnight millionaire over a month ago when he unearthed two of the biggest rough tanzanite gemstones ever found has struck it rich again, digging up ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. NAIROBI, Kenya (AP) — A small-scale miner in ...

Tanzania’s president has ordered the military to build walls around its tanzanite mines and directed the central bank to buy the precious stone to boost reserves — the latest twist in a spat with ...

Tanzanite is prized by gem-makers for its extraordinary violet-blue hue. The gems seen here were mined in 2006, when they were valued at around $1,500 AFP / MATT BROWN A Tanzanian small-scale miner ...