Marcasite with Calcite

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

Specimen size: 3.2 × 3.2 × 2.2 cm = 1.26” × 1.26” × 0.87”
Main crystal size: 1.3 × 0.7 cm = 0.51” × 0.28”