Fluorite, pyrite Huanzalá Mine, Huallanca District, Dos de ...
Description: Fluorite, pyrite Huanzalá Mine, Huallanca District, Dos de Mayo Province, Huánuco Department, Peru 67 mm x 60 mm. Fluorite main edge: 36 mm Supposed Miller indices. Special thanks to Gerhard Niklasch and Joan Viñals for their valuable comments on the {311} faces.