Schorl from Ouro Preto, Minas Gerais, Brazil
Brazil | |
| Cabral, A. R., Lehmann, B., Sattler, C. D., Pires, F. R. M., & Kaneko, K. (2002). Hg–Tl-bearing manganese oxide from Conta História manganese deposit, Quadrilátero Ferrífero, Minas Gerais, Brazil. Applied Earth Science, 111(2), 123-127. |
| King, Van (n.d.) Personal communcation. |