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.

The variety Tanzanite has become an extremely popular mineral and gemstone, and is heavily marketed by the jewelry industry. Fine Tanzanite gemstones can be extremely costly and cherished. The pink variety, Thulite, is used as a minor gemstone, and is most often cut as cabochons. The green variety associated with Ruby is also used as a minor ...

Tanzanite is a very popular jewelry gemstone, faceted into all different gemstone cuts. Thulite is an inexpensive stone used for cabochons and beads.

Tanzanite. Blue to purplish-blue variety of Zoisite found in the Merelani Hills in the Arusha region of ...

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.

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. It is often called "Yellow Tanzanite", and in this quality is quite rare. Locality: Merelani Hills, western slope of Lelatama Mountains, Arusha Region, Tanzania: Dimensions: 25 x 12 ...

Titanite from a few localities contains thorium within its chemical structure.Such Titanite is slightly radioactive and will be metamict, resulting in those crystals having slightly rounded crystal edges and interior structural deficiencies.

Specializing in fine quality loose tanzanite gemstones and tanzanite rings. Fields Google Map

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 .

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