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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
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.
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, ...
Tanzanite is one of the most sought-after gemstones in the world. This precious trichroic gemstone showcasing vivid violet-blue-reddish ...
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.
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.
Authentic and genuine Tanzanite jewelry & gemstones including rings, pendants, earrings & bracelets for over 30 years. One-of-a-kind designs brought back ...
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.
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 ...