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2. Tanzanite - Wikipedia

   en.wikipedia.org/wiki/Tanzanite

   Untreated tanzanite is a trichroic gemstone, meaning that light that enters this anisotropic crystal gets refracted on different paths, with different colour absorption on each of the three optical axes. As a result of this phenomenon, a multitude of colors have been observed in various specimens: shades of purple, violet, indigo, blue, cyan ...

3. TanzaniteOne - Wikipedia

   en.wikipedia.org/wiki/TanzaniteOne

   TanzaniteOne Mining Ltd is located in Block C, Merelani, Tanzania. Merelani is the world's only known source of tanzanite. TanzaniteOne Mining Ltd was founded by Richland Resources, a gemstone development and mining company who were listed on the London Stock Exchanges AIM market (AIM:RLD) in 1994 . In 2014 TanzaniteOne was sold to a private ...

4. Richland Resources - Wikipedia

   en.wikipedia.org/wiki/Richland_Resources

   Richland Resources Ltd is a gemstone mining, development and exploration company who are listed on the London Stock Exchanges AIM market. [1] ( AIM:RLD) Richlands developed and operated TanzaniteOne Mining Ltd – the world's largest tanzanite gemstone mining company, based in Merelani, Tanzania from August 2004 until March 2015.

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

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

   Aquamarine. “Aquamarine is a calming gemstone that symbolizes fluidity and flow, healing, allowance, and acceptance of what is,” Salzer says. “Look for clarity and luminosity in an ...

6. Jumanne Mhero Ngoma - Wikipedia

   en.wikipedia.org/wiki/Jumanne_Mhero_Ngoma

   Jumanne Mhero Ngoma was born in the Same District, Kilimanjaro and relocated to the then- Arusha Region of Tanzania at an early age. [2] In January 1967, at the age of 28, Ngoma discovered tanzanite at the Mererani hills in the Kiteto district of the then Arusha Region (presently Manyara Region ). He claims that the initial analysis through the ...

7. Zoisite - Wikipedia

   en.wikipedia.org/wiki/Zoisite

   Zoisite, first known as saualpite, after its type locality, is a calcium aluminum hydroxy sorosilicate belonging to the epidote group of minerals. Its chemical formula is Ca 2 Al 3 (Si O 4) (Si 2 O 7)O (O H). Zoisite occurs as prismatic, orthorhombic (2/m 2/m 2/m) crystals or in massive form, being found in metamorphic and pegmatitic rock.