Fluorite, Calcite (var. Manganoan), Pyrite - - 13 x 5 x 7 cm
Mineral: Fluorite, Calcite (var. Manganoan), Pyrite
Locality: Huanzala Mine, Huallanca District, Dos de Mayo Province, Huánuco Department, Peru
Dimensions: 13 x 5 x 7 cm

Description: The shapes of the Calcite suggest they are growing after something, as they form "casts"