Millerite coated by Jamborite on Calcite with Chalcopyrite

Eugenia Mine, Bellmunt del Priorat, Comarca Priorat, Tarragona, Catalonia / Catalunya  Spain

Specimen size: 2.5 × 2.1 × 3.3 cm = 0.98” × 0.83” × 1.30”
Main crystal size: 1.9 × 0.1 cm = 0.75” × 0.04”