A Tanzanian miner made another discovery of one of the rarest gemstones on Earth, possibly earning the small-scale miner millions of dollars — again. Saniniu Laizer, 52, recently discovered the rare, ...

A small-scale miner from Tanzania become an overnight millionaire on Wednesday after he sold two rough tanzanite gemstones said to be the largest ever found in the country. Saniniu Laizer, 52, ...

Across the hills of Kenya and Tanzania, two gemstones capture the continent’s natural brilliance and enduring mystique: Tanzanite and Tsavorite. Both discovered within a few years of each other in the ...

A small-scale miner from Tanzania made another record discovery of one of the world's rarest gemstone this month, hauling in a precious, 14-pound stone valued at $2 million, according to a report.

Tanzanian small-scale miner Saniniu Kuryan Laizer, 52, poses with two of the biggest of the country's precious gemstones, Tanzanite. Getty Images A small-scale miner from Tanzania made another record ...