Pyrite and Sphalerite by sysadmin | Mar 4, 2016 | Blog | 0 comments Pyrite and Sphalerite- Huanzala Mine, Huallanca District, Dos de Mayo Province, Huánuco Department, Peru 6.5 cm tall. This specimen consists of mirror shine octahedral Pyrite crystals sprinkled with Sphalerite crystals.