CF25 – Pyrite with Sphalerite. Huanzala Mine, Huallanca District, Dos de Mayo Province, Huánuco Department, Peru.
Group of octahedral crystals, very bright and very well defined faces and edges, the dominant form is the octahedron but also having the faces of the cube, less developed but evident. The faces are bright, defined and undamaged. With aggregates of Sphalerite.
Specimen size: 4.8 cm x 3.2 cm