Beryl (var. Emerald), Calcite, Pyrite - Coscuez mining district, Colombia - 125mm x 125mm x 85mm, xls=22x15 & 18x17mm

Mineral: Beryl (var. Emerald), Calcite, Pyrite
Locality: Coscuez mining district, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia
Dimensions: 125mm x 125mm x 85mm, xls=22x15 & 18x17mm

Description: The rock that (almost) got away...