Calcite, Pyrite - Chivor mining district, Colombia - 30cm across
Mineral: Calcite, Pyrite
Locality: Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department, Colombia
Dimensions: 30cm across

Description: I saw a couple of spectacular specimens in Bogotá before setting off to Chivor. This is supposedly from the El Pulpito mine, in the Chivor district.