Tocantins State
Mata Azul




Quiroz and Boelho reported at the 2013 Goldschmidt conference that pink rossmanite was found in an unspecified artisanal mine(s) during the 1970's and 80's in Tocantins State, Central Brazil.


Queiroz HA, Botelho NF (2013) Classification of gemstone tourmalines from Central Brazil by chemistry nomenclature. Goldschmidt Conference, Florence, Italy, Aug, 2013, Abstract page 2013.

Queiroz, H. D. A. (2016) Sistema granítico: pegmatítico Mata Azul: caracterização e gênese. PhD Thesis. do Instituto de Geociências (IG) da Universidade de Brasília (UnB)

last updated: 2-Sep-2013