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Tanzanite is the blue and violet variety of the mineral zoisite (a calcium aluminium hydroxyl sorosilicate), caused by small amounts of vanadium. Tanzanite belongs to the epidote mineral group.
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Tanzanite

Gemstone
Tanzanite is the blue and violet variety of the mineral zoisite, caused by small amounts of vanadium. Tanzanite belongs to the epidote mineral group. Tanzanite is only found in Simanjiro District of Manyara Region in Tanzania, in a very small... Wikipedia
$395 to $8,530
Our specialty, Tanzanite gemstones. This is what you are here for right? We have 100's of loose AAA gemstones in a variety of raw shapes including round, oval, ...
$3,508 to $14,828
Tanzanite is one of the most sought-after gemstones in the world. This precious trichroic gemstone showcasing vivid violet-blue-reddish ...
TANZANITE from www.gia.edu
Tanzanite is an extraordinary gemstone, its appearance is influenced greatly by its ability to show colors when viewed from different directions.
It is a stone for highly developed beings who have not yet recognized their strength and fearfully close their hearts to it. This creates trust and we gradually ...
TANZANITE from www.gemsociety.org
Everything you ever wanted to know about tanzanite. Find value guidelines, scientific data, expert comments, and more in our Gemstone Listings.
$395 to $9,470
Here you can find a huge selection of round tanzanite gemstones, either loose, or set in 14kt white or yellow gold pendants, necklaces, earrings and rings. If ...
TANZANITE from www.theraregemstonecompany.com
$3,992 to $6,376
Tanzanite is a trichroic gemstone and has several axes of color – brownish red, purple and blue.The brownish red color is removed by heating and the blue and ...
TANZANITE from geology.com
Tanzanite is a rare blue gem and a popular alternative to blue sapphire. It is mined commercially at only one location in Tanzania.
TANZANITE from knowledge.wharton.upenn.edu
Dec 20, 2013 · Tanzanite is one of the rarest gemstones on earth and one of the most undervalued relative to its rarity. Given its scarcity, it would be ...