Excellent twinned Sphalerite decorated by brown Calcite balls, Galena and Quartz. Displays black Sphalerites crystals with very strong luster, complex structure and marvelous twinning. The main 30 mm Sphalerite crystal at the top forms superb focal point. On strong backlight the crystals display some gemminess. Skeletal Galena and small Quartz crystals are seen too. In very good condition – some small nicks and base contacts.

First grade quality Sphalerite!