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Tourmaline (dravite) from the Simanjiro District, Tanzania

Most recently, in April 2017, Ulatowski reported obtained some matrix specimens of translucent Mwajanga tourmaline that were mostly colourless but with deep blue terminations. The future po- tential of the deposit is unknown, but clearly it has already produced a variety of colours of tourma- line as attractive crystals and also a limited amount of rough material suitable for faceting.

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Information

Authors
Cara Williams; John Bear Williams; Brendan M. Laurs; Alexander U. Falster; William B. "Skip" Simmons
Date
June 1, 2017
Source
The Journal of Gemmology
Source (Long)
The Journal of Gemmology, 35(6), 2017

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