Brazil
Minas Gerais
Lavra do Urucum Pegmatite
Florent et al. report that one sample from the Lavra do Urucum
pegmatite (KF-081) shows a rossmanite composition, with the Y site occupied by two Al and one Li cations.
References:
Florent B, Hatert F, Philippo (2022) Crystal chemistry
of tourmalines from Minas Gerais, Brazil. Abstract IMA2022-1640.
last updated:
30-Jan-2023