Quartz on intergrown Galena and Chalcopyrite from Septemvri Mine, Madan Municipality, Smolyan Province, Bulgaria. Small Quartz crystals elegantly perched on intergrown Galena and Chalcopyrite from the renowned Septemvri Mine, Madan Municipality, Smolyan Province, Bulgaria. This stunning specimen showcases the sharp, lustrous Galena cubes intricately interlocked with bright Chalcopyrite crystals, all beautifully accented by transparent, well-formed Quartz points. Originating from one of Bulgaria’s most famous Pb-Zn mineral districts, this piece offers a captivating contrast of metallic brilliances and clear crystalline forms, making it a prized collector’s item for mineral enthusiasts worldwide. The Septemvri Mine, located in Madan Municipality, Smolyan Province, Bulgaria, is a historically significant lead-zinc mine within the famous Madan ore district. Originally named "Deveti Septemvri" (9th of September Mine) from 1953 to 1989, it was renamed "Septemvri Mine" thereafter. The mine comprises several deposits—such as Sharenka, Baram, Mogilata, Osikovo, and Pechinsko—and is renowned for producing high-quality specimens of minerals like galena, sphalerite, pyrite, and quartz. Mining in the Madan region began as far back as the 5th century BC, making this area rich in both mineralogical and historical heritage.Historically, Madan and its mines contributed significantly to the local economy and remain key sources for world-class sulfide minerals.