Chalcopyrite with Siderite

Kaiwu Mine, Hezhang, Bijie Prefecture, Guizhou Province  China (2012)

Specimen size: 8.4 × 6.4 × 4.3 cm = 3.31” × 2.52” × 1.69”
Main crystal size: 2.1 × 1.6 cm = 0.83” × 0.63”