Calcite with Chalcophanite inclusions

Herculano Mine, El Puntal, Campos de Golf, Atamaría, Cartagena, Comarca Campo de Cartagena  Spain

Specimen size: 8.4 × 6.2 ×  5 cm = 3.31” × 2.44” × 1.97”
Main crystal size: 2 × 1.2 cm = 0.79” × 0.47”