Epidote with twinned Calcite

La Gringa Mine, Chiurucu (Chiuruco), Huallanca District, Bolognesi Province, Ancash Department  Peru (10/2007)

Specimen size: 10.1 × 6.5 × 3.8 cm = 3.98” × 2.56” × 1.50”
Main crystal size: 0.5 × 0.1 cm = 0.20” × 0.04”