The Gemstone Tanzanite - The Mineral and Gemstone Kingdom
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.
Zoisite: The mineral zoisite and tanzanite information and pictures
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 - The Mineral and Gemstone Kingdom
Tanzanite. Blue to purplish-blue variety of Zoisite found in the Merelani Hills in the Arusha region of ...
The Gemstone Zoisite - The Mineral and Gemstone Kingdom
Tanzanite is a very popular jewelry gemstone, faceted into all different gemstone cuts. Thulite is an inexpensive stone used for cabochons and beads.
The Gemstone Iolite - The Mineral and Gemstone Kingdom
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.
Titanite (sphene): The mineral Titanite information and pictures
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.
Beryl: The mineral Beryl info & pictures (aquamarine, emerald)
Detailed description, properties, and locality information guide about the mineral beryl (emerald, aquamarine, morganite, heliodor).
The pink gemstone Thulite (Zoisite): information and pictures
Thulite is the pink to reddish variety of the mineral Zoisite.It is an opaque stone composed of dense crystals, and is used as a minor gemstone.
Kyanite: The blue gemstone kyanite information and pictures
Kyanite is more of a collector gem then a mainstream gem, and has not been extensively mined for gem use. Gem quality Kyanite has traditionally come from Brazil, Cambodia, and Burma, but these stones are generally not colored consistently .
Yellow Zoisite (Yellow Tanzanite) - The Mineral and Gemstone …
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 ...