Pearceite-T2ac with Calcite, Pyrite and Chalcopyrite

Uchucchacua Mine, Oyón Province, Lima Department  Peru

Specimen size: 5.2 × 4.6 × 2.1 cm = 2.05” × 1.81” × 0.83”
Main crystal size: 0.3 × 0.2 cm = 0.12” × 0.08”