Galena and Sphalerite with Quartz, Kruchev dol Mine, Madan District, Smolyan Oblast, Bulgaria Miniature 3 x 4 x 4.5 cm $150. online 10/17.
Spinel Law twinned galena crystals with black sphalerite and drusy quartz. The galena exhibits fascinating twin planes on the octahedron that reflect in parallel when lit. There were only a few of these galena variations produced in the stope. In top condition. Mined 2010.