Sphalerite with Bournonite and Pyrite

Casapalca, Chicla District, Huarochiri Province, Lima Department  Peru

Specimen size: 6 × 6 × 5.9 cm = 2.36” × 2.36” × 2.32”
Main crystal size: 5.4 × 5.4 cm = 2.13” × 2.13”