Locality: Huanzala Mine, Huallanca, Huallanca District, Bolognesi Province, Áncash, Peru
Size: 66 mm x 65 mm x 45 mm (2.6 in. x 2.6 in. x 1.8 in.)
Weight: 362 g (12.8 oz.)
Extremely lustrous golden pyrite with crystals to 40 mm and striated faces from a classic Peruvian locality.