Shopping channel Gems TV has been rebuked by the Advertising Standards Authority (ASA) for misleading claims about the previous gemstone Tanzanite. Gems TV, which is available on Sky, Virgin Media, ...

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.

Sammy Mollel frowned as he held up a sample of tanzanite ore containing the blue-to-violet gemstones unique to Tanzania. Normally the find would make his eyes light up. But Mollel's business faces ...

We arrive at Tanzanite One on a cool September morning. The drive from the nearest town, Arusha, was not too long, but the last stretch on a gravel road littered with ditches made the hairs on the ...

Dec. 14 -- The blue precious gem tanzanite is a hot item in shopping malls across America this holiday season, and if federal investigators are right, Osama bin Laden couldn't be happier. "It's very ...

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 ...