Galena & Sphalerite
Locality: Gidiursko Mine, Madan, Rhodope Mtns, Smolyan Oblast, Bulgaria
Galena
Locality: Madan, Bulgaria
Galena
Locality: Madan, Bulgaria
Galena & Quartz
Locality: Krushev dol Mine, Madan, Bulgaria
Galena
Locality: Mada, Bulgaria
Galena
Locality: Septemvri Mine, Bulgaria
Chlorite Quartz, Pyrite, and Sphalerite