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- The blue gemstone Tanzanite (Zoisite): information and pictures
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
Detailed description, properties, locality information guide about the mineral zoisite, tanzanite, and thulite
- Zoisite: The gemstone Zoisite information and pictures
Detailed gem and jewelry information guide about the gemstone zoisite, including tanzanite and thulite
- Tanzanite - The Mineral and Gemstone Kingdom
Tanzanite - The Mineral and Gemstone KingdomBlue 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
- Agate: The gemstone agate information and pictures
Agate is a banded form of finely-grained, microcrystalline Quartz The lovely color patterns and banding make this translucent gemstone very unique Agates can have many distinctive styles and patterns, but each Agate is unique in its own habit, with no two Agates being the same
- The Mineral and Gemstone Kingdom: Minerals Directory
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- The Mineral and Gemstone Kingdom: Image Photo Gallery
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
- Iolite: The gemstone iolite information and pictures
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
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