Sphalerite, quartz,galena Pyrite and chalcopyrite

All in one specimens, presenting all of the minerals apearing in paragenesys of Madan deposit. This kind of mineralisation is developed usually in clay or in calcite. Quartz crystals are standing as a sceleton and a base for developing of sphalerite, pyrite and galena crystals. Chalcopyrite crystalised in the end of the process.