Mineral: Pyrite
Locality: Leadville, Leadville District, Lake County, Colorado, USA
Dimensions: 3.0 x 3.7 cm
Description: A distorted pyrite cube showing the distinctive “cathedral gothic arch” pattern. Collected from the #3 orebody, 1250' Level of the Black Cloud Mine.
All pictures, text, design © Forum FMF 2006-2025