Pyrite with Tennantite-(Fe) and Sphalerite

Mundo Nuevo mining area, Mundo Nuevo, Huamachuco, Sánchez Carrión Province, La Libertad Department  Peru (11/2015)

Specimen size: 16.2 × 12 × 6 cm cm = 6.38” × 4.72” × 2.36”
Main crystal size: 6.3 × 4.6 cm cm = 2.48” × 1.81”