Wurtzite with Calcite and Pyrite

Huanzala Mine, Huallanca District, Dos de Mayo Province, Huánuco Department  Peru

Specimen size: 5.6 × 4.3 × 4.1 cm = 2.20” × 1.69” × 1.61”
Main crystal size: 1 × 0.4 cm = 0.39” × 0.16”