Enargite

Quiruvilca Mine (La Libertad Mine), Quiruvilca District, Santiago de Chuco Province, La Libertad Department  Peru

Specimen size: 13.3 × 11.4 × 2.9 cm = 5.24” × 4.49” × 1.14”
Main crystal size: 1.2 × 0.6 cm = 0.47” × 0.24”