European Journal of Mineralogy
European Journal of Mineralogy
European Journal of Mineralogy
Articles | Volume 37, issue 5
Articles | Volume 37, issue 5
https://doi.org/10.5194/ejm-37-709-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/ejm-37-709-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 37, issue 5
Research article
 | 
14 Oct 2025
Research article |  | 14 Oct 2025

Crystal chemistry and trace-element behaviour in tourmalines from Minas Gerais, Brazil

Florent Bomal, Frédéric Hatert, Simon Philippo, Maël Guennou, Martin Depret, Hao Wang, Pierre Lefèvre, and Muriel Erambert

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Short summary
Seventeen tourmalines from Brazil were investigated by structural and chemical techniques. Most samples are Na-dominant and belong to the alkali group. They correspond to fluor-elbaites or elbaites, except one sample, which corresponds to a rossmanite. Structural data indicate that the B site is fully occupied by boron, that the T site is occupied by Si, and that the Z site is mainly occupied by Al. The X site contains vacancies, Na, K, and Ca, and the Y site is mainly occupied by Li, Al, and Fe2+.
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