Tetrahedrite from Madan Ore Field, Rhodope Mts., Bulgaria

Most interesting bright tetrahedrite crystals, with faces built-up from composite faces,making for a very eye-catching view. With chalcopyrite and quartz crystals ; great contrast!
Dimensions: 8.6 x 7 x 4.6 cm
Species: Tetrahedrite, Chalcopyrite, Quartz
Locality: Madan Ore Field, Rhodope Mts., Bulgaria