Birnessite from South America
Brazil | |
| Rocks & Minerals (2009) 84:42-45 |
| Waber (1991) |
Chile | |
| Pincheira, M., & Fontboté, L. (1990). La Negra-Coquimbana Manganiferous District, Southern Atacama Desert, Chile. In Stratabound Ore Deposits in the Andes (pp. 365-378). Springer, Berlin, Heidelberg. |
| Cook, Robert B. (1978) Famous Mineral Localities: Chuquicamata, Chile. The Mineralogical Record, 9 (5) 321-333 |