Arsenopyrite, Chalcopyrite from Yaogangxian Mine, Chenzhou, Hunan, China. On the silvery white arsenopyrite crystals, covered many small golden yellow chalcopyrite crystals, all show bright metallic luster, no damage, also natural crystal face on the backside. This specimen has no cutting saws, it is a high-quality typical YaoGangXian specimen! size:5.3×4.9×2.5cm, NO.20230724AC79DS.