Calcite with Chalcophanite inclusions

Herculano Mine, El Puntal, Campos de Golf, Atamaría, Cartagena, Comarca Campo de Cartagena, Region of Murcia (Murcia)  Spain

Specimen size: 9.4 × 7.2 × 4.2 cm = 3.70” × 2.83” × 1.65”
Main crystal size: 1.6 × 0.6 cm = 0.63” × 0.24”