Chalcopyrite with Fluorite and Calcite

Carn Brea, Pool, Illogan, Camborne - Redruth - Saint Day District, Cornwall  United Kingdom

Specimen size: 2.9 × 2.4 × 2 cm = 1.14” × 0.94” × 0.79”
Main crystal size: 0.5 × 0.5 cm = 0.20” × 0.20”