9th Septemvri mine (Deveti Septemvri mine), Madan ore field, Rhodope Mts, Smolyan Oblast, Bulgaria
Attractive specimen of Galena cubes decorated with Chalcopyrite and Sphalerite from 9th Septemvri mine, Madan ore field, Bulgaria. Very aesthetic and geometrical arrangement of stacked and aligned Galena cubes. The faces are matt lustrous. Many corners are truncated. Above grow small yellow Chalcopyrite crystals. Black Sphalerite crystals are seen too. Quartz crystals form the base. In very good condition – some small nicks and contacts., Choice specimen from this closed mine!