Pyrite with Quartz

Mundo Nuevo mining area, Mundo Nuevo, Huamachuco, Sánchez Carrión Province, La Libertad Department  Peru

Specimen size: 10 × 8 × 3.7 cm = 3.94” × 3.15” × 1.46”
Main crystal size: 2.8 × 2.6 cm = 1.10” × 1.02”