Hutchinsonite, Pyrite, Quartz

Quiruvilca Mine (La Libertad Mine), Quiruvilca District, Santiago de Chuco Province, La Libertad Department  Peru (03/2016)

Specimen size: 9.5 × 8.8 × 2.6 cm = 3.74” × 3.46” × 1.02”
Main crystal size: 0.4 × 0.1 cm = 0.16” × 0.04”