Sphalerite from Osikovo deposit, Septemvri Mine (Deveti Septemvri Mine), Madan Municipality, Smolyan Province, Bulgaria
Bulgaria | |
| Kostov, I. (1999). Crystal habits of minerals (No. 1). Prof. Marin Drinov Academic Pub. House. |
Bulgaria | |
| Kostov, I. (1999). Crystal habits of minerals (No. 1). Prof. Marin Drinov Academic Pub. House. |
Osikovo deposit, Septemvri Mine, Madan Municipality, Smolyan Province, Bulgaria