Tanzanite is only found in northern Tanzania and is used to make ornaments. It is one of the rarest gemstones on Earth, and one local geologist estimates its supply may be entirely depleted within ...

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 ...

Tanzanite is one of the most popular colored gemstones in the world.- Courtesy Tanzanite Foundation ™ Tanzanite is a versatile gemstone that comes in a variety of sizes and cutting styles. Although it ...

Tanzanite can have an intense and deep violetish blue color. Tanzanite is the violet blue to blue violet variety of the mineral zoisite. It is mined commercially only in one area of the world: the ...

Tanzania is home to one of the world’s rarest and most valuable gemstones—tanzanite. Discovered in the 1960s near the Mererani Hills in northern Tanzania, tanzanite is highly prized for its striking ...

Each month has at least one gemstone; others have more. Here's what know about December's birthstones. December has three birthstones: tanzanite, turquoise and zircon. Of the three, tanzanite is ...