Have you ever wondered what the hardness of tanzanite is? But before that, let’s understand what a Tanzanite is. It’s a pretty blue-violet gem that belongs to the mineral group. Think about strolling ...

Saniniu Laizer said he wants to use his $3.4 million to improve his community and build a school Rachel DeSantis is a senior writer on the music team at PEOPLE. She has been working at PEOPLE since ...

This is an archived article and the information in the article may be outdated.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. (CNN) — A team of Tanzanian miners has ...

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 ...

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 ...

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 Saniniu ...

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 ...

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 ...

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 ...