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Tanzanite is the blue- or violet-coloured gemmological variety of the zoisite family and comes from Tanzania.
It was discovered in early January 1967 by a certain Mr Ngoma in the Arusha region of the country. The name tanzanite was coined the same year by Maison Tiffany of New York in honour of the stone’s sole area of origin – namely Tanzania.
Tanzanite crystals are recognisable by their colour and marked by blue-violet pleochroism, an optical phenomenon visible to the naked eye.

tanzanite ultima modifica: 2018-01-07T11:04:55+00:00 da Rastellisrl