Mineral: Tetrahedrite, Pyrite, Quartz, Sphalerite Locality: Mundo Nuevo mining area, Mundo Nuevo, Huamachuco, Sánchez Carrión Province, La Libertad Department, Peru Dimensions: 77 mm x 71 mm x 54 mm. Tetrahedrite crystal: 24 mm on edge. Major pyrite crystal: 26 mm on edge
