Arsenopyrite from
Italy | |
| De Casa, G., Manni, A., Saviano, G., Violo, M. (2003) Gold occurrence in Central Italy — the Ponte San Pietro mineralization. Ore Geology Reviews, 23, 3-4, 99-105. |
| De Michele, V. (1974). Guida mineralogica d'Italia. Istituto Geografico De Agostini, Novara, 2 vol |