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2. Tanzanite - Wikipedia

   en.wikipedia.org/wiki/Tanzanite

   Tanzanite is the blue and violet variety of the mineral zoisite (a calcium aluminium hydroxyl sorosilicate), caused by small amounts of vanadium. [3] Tanzanite belongs to the epidote mineral group. Tanzanite is only found in Simanjiro District of Manyara Region in Tanzania , in a very small mining area approximately 7 km (4.3 mi) long and 2 km ...

3. List of gemstones by species - Wikipedia

   en.wikipedia.org/wiki/List_of_gemstones_by_species

   Tanzanite (var.) Thulite (var.) Zultanite; Zunyite; Artificial and lab created. There are a number of artificial and lab grown minerals used to produce gemstones ...

4. Gemstone Meanings: Power and Significance of the 25 Most ...

   www.aol.com/gemstone-meanings-power-significance...

   Tanzanite “Another beautiful blue-purple stone, the tanzanite is associated with spiritual connection and expression, as well as discovering one’s own truth,” Salzer says. mineral vision ...

5. Zoisite - Wikipedia

   en.wikipedia.org/wiki/Zoisite

   Zoisite may be blue to violet, green, brown, pink, yellow, gray, or colorless. Blue crystals are known under the name tanzanite. It has a vitreous luster and a conchoidal to uneven fracture. When euhedral, zoisite crystals are striated parallel to the principal axis (c-axis). Also parallel to the principal axis is one direction of perfect cleavage.

6. Gemstone - Wikipedia

   en.wikipedia.org/wiki/Gemstone

   Tanzanite was discovered in 1967 in Northern Tanzania. With its supply possibly declining in the next 30 years, this gemstone is considered to be more rare than a diamond. This type of gemstone receives its vibrant blue from being heated. [72] Hibonite was discovered in 1956 in Madagascar. It was named after the discoverer, French geologist ...

7. Campbell R. Bridges - Wikipedia

   en.wikipedia.org/wiki/Campbell_R._Bridges

   Campbell R. Bridges (1937 – 11 August 2009) was a Scottish-born Kenyan gemologist. [1]Bridges, originally from Scotland, lived in Kenya with his family and regularly mined for rare gemstones with his son Bruce Bridges. [2]