Sphalerite - Androvo Mine, Bulgaria - 5.5 x 5.5 cm
Mineral: Sphalerite
Locality: Androvo Mine, Erma Reka, Zlatograd, Smolyan Oblast, Bulgaria
Dimensions: 5.5 x 5.5 cm

Description: Sharp, black sphalerite crystals to 1.5 cm with unusual flattened terminations.