Calcite from Huánuco, Peru
Peru | |
| Rob Lavinsky specimen, minID CCN-DCT. |
Berry, E. W and J. T. Singewald Jr. (1922) The Geology and Paleontology of the Huancavelica Mercury District. John Hopkins University Studies in Geology No. 2 | |
| Jaroslav Hyrsl, 2006 |
Huallanca District, Dos de Mayo Province, Huánuco, Peru