Bournonite from selected localities.
Peru | |
| Lewis Jr, R. W. (1964). The geology, mineralogy and paragenesis of the Castrovirreyna lead-zinc-silver deposits, Peru (OFR No. 64-103). US Geological Survey,. |
| Lewis, Jr. R.W. (1964) The geology, mineralogy and paragenesis of the Castrovirreyna lead-zinc-silver deposits, Peru. US Geological Survey, Open File Report No. 64-103, 244 pages. |