An exceptionally large specimen featuring numerous large modified-cubic Pyrite crystals, including an unusually large, perfectly centered crystal over 5 cm in length. The crystals are highly striated with a bright metallic luster on massive Pyrite matrix. A striking and showy piece. In very good condition with a natural shrinkage fracture near the bottom and out of sight.

Location: Huanzala Mine, Huallance District, Huanuco Dept., Peru

Size: 13.5 x 11 x 8 cm