Pyrite from Huanzala Mine, Huanuco Dept., Peru

A trip down memory lane. A large bright octahedral pyrite crystal from pyrite heaven: the Atahualpa Level of the Huanzala Mine, 1986-1987. We were in Lima buying these up when mind-numbing quantities were being mined.
Dimensions: 8.800000000000001 x 8.1 x 7.7 cm
Species: Pyrite
Locality: Huanzala Mine, Huanuco Dept., Peru