Keywords: Galène et sphalérite (Bulgarie) 1.jpg fr cristaux de galène cristaux de sphalérite Madan ore field Rhodope Mts Smolyan Oblast Bulgaria en crystals of galena crystals of sphalerite Madan ore field Rhodope Mts Smolyan Oblast Bulgaria own Parent Géry 2010-10-10 Galena Sphalerite Taken with Nikon D90 |