Druse of sharp tetrahedrite with a deep black color and interpenetrated each other and partially covered by a generation of pink manganoan calcite preserving scalenohedral forms from previous calcite crystals. THE MAIN CRYSTAL IS: 3.5 x 3.3 x 1.3 cm.

ORIGIN: CASAPALCA MINE, CASAPALCA, CHICLA DISTRICT, HUAROCHIRI PROVINCE, LIMA, PERU

DIMENSIONS: 14x8.2x4.9