Tanzanite is the blue to violet gem variety of the mineral Zoisite. Since its relatively recent discovery in 1967, it has become a mainstream and popular gemstone, and is used extensively in jewelry. To date, Tanzanite is found only in the Arusha region of the African country of Tanzania, and it was named after its country of origin.

Detailed description, properties, locality information guide about the mineral zoisite, tanzanite, and thulite.

Detailed gem and jewelry information guide about the gemstone zoisite, including tanzanite and thulite.

Blue to purplish-blue variety of Zoisite found in the Merelani Hills in the Arusha region of Tanzania. Tanzanite is used as an important gemstone and has become enormously popular. See the gemstone Tanzanite for additional information.

Highly lustrous and gemmy yellow Zoisite crystals from the same deposit as Tanzanite. It has a rare, straw-yellow color to it that is mesmerizing, if pastel in hue.

Iolite is strongly pleochroic, and will exhibit a different color when viewed at different angles. In fact, it is the most pleochroic gemstone, with this effect being clearly noticeable on all transparent Iolite gemstones. A blue or violet-blue Iolite gemstone will become a duller gray or grayish-yellow when viewed at a different angle. For this reason, care must be taken by gemstone cutters ...

This is Tanzanite that is naturally colored and not heat treated. Virtually all Tanzanite heat treated to produce its fine color; this specimen shows how Tanzanite looks in its natural state, with a grayish-green to brownish tone. There are two different angles shown here in this photo which exhibit its different colors due to this mineral's strong pleochroism. Locality Merelani Hills, …

Detailed description, properties, and locality information guide about the mineral beryl (emerald, aquamarine, morganite, heliodor).

Fields ZIP: 46307 Country: USA State: IN City: Crown Point Address: 126 South Main St. Google Map Accounts area Username: Password:Custom cut Tanzanite gemstones from

An exceptional Zoisite var. Tanzanite crystal on a Calcite matrix. This specimen was on display at the room of Marcus Budil at the Westward Look Show in Tucson 2016, and was photographed by Hershel Friedman.