Baryte from Kyustendil Province, Bulgaria
Bulgaria | |
| Marcus Voigt Collection |
| Munkov, S. (1968): Silver minerals of the Ruen deposit in the Osogovo ore district. Rudodobiv i Metalurgiya 23(8), 1-7 (in Bulgarian). |
Bulgaria | |
| Marcus Voigt Collection |
| Munkov, S. (1968): Silver minerals of the Ruen deposit in the Osogovo ore district. Rudodobiv i Metalurgiya 23(8), 1-7 (in Bulgarian). |