Group of very sharp and brilliant pyrite crystals with striated faces and accompanied by scalenohedral calcite crystals twinned on (0001) and very aerial disposed on matrix. Peppered by small sphalerite crystals. The specimen shows fissures due to growth, common to the species and locality. THE MAIN CRYSTAL IS: 3.5 x 1.3 x 1.1 (calcite) cm. Fluorescence UVC (calcite).