Pyrite

Huanzala Mine, Huallanca District, Dos de Mayo Province, Huánuco Department  Peru (±2019)

Specimen size: 13.9 × 7 × 6.8 cm = 5.47” × 2.76” × 2.68”
Main crystal size: 6.8 × 4.8 cm = 2.68” × 1.89”