Mineral: Pyrite, quartz
Locality: Huanzala Mine, Huallanca District, Dos de Mayo Province, Huánuco Department, Peru
Dimensions: 61 mm x 41 mm

Description: Showing supposed Miller indices. If somebody disagrees please let me know. Might the {110} striated faces be composed by an alternated combination of cube {100} and pyritohedron {210} very narrow faces?

All pictures, text, design © Forum FMF 2006-2024