Chalcocite from selected localities.
Bulgaria | |
| American Mineralogist (1966): 51: 29-36 |
Lips, ALW (2006) A review of non-ferrous mineral deposits in Europe - Finalised initial database BRGM/RP -54957 - FR | |
| Lips, ALW (2006) A review of non-ferrous mineral deposits in Europe - Finalised initial database BRGM/RP -54957 - FR |
| Petko Popov, Strashimir Strashimirov, Kamen Popov, Milko Kanazirski, Kamen Bogdanov, Radi Radichev, Stefan Dimovski, Stanislav Stoykov (2012) Geology and Metallogeny of the Panagurishte Ore Region. pp192-227 |