Pohaku La’au | Largest Specimen of Tanzanite in the World!

Tanzanite is the blue/violet variety of the mineral zoisite (a calcium aluminium hydroxyl Sorosilicate) belonging to the epidote group. It was discovered by a Tanzanian Jumanne Mhero Ngoma in the Mererani Hills of Manyara Region in Northern Tanzania in 1967, near the city of Arusha and Mount Kilimanjaro.  […]

Read more at https://www.geologyin.com/2015/12/the-largest-tanzanite-crystal-ever.html#TJldIQh3eLzmbfHX.99

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