Pyrite with Quartz

Huanzala Mine, Huallanca District, Dos de Mayo Province, Huánuco Department  Peru (02/2016)

Specimen size: 7.6 × 5.6 × 2.7 cm = 2.99” × 2.20” × 1.06”
Main crystal size: 3.1 × 3 cm = 1.22” × 1.18”