Tetrahedrite with Quartz, Pyrite and Chalcopyrite

Casapalca, Chicla District, Huarochiri Province, Lima Department  Peru

Specimen size: 10 × 4 × 7.5 cm = 3.94” × 1.57” × 2.95”
Main crystal size: 2.6 × 2.4 cm = 1.02” × 0.94”