Fluorite and Chalcopyrite

Groverake Mine, Rookhope, Weardale, North Pennines Orefield, County Durham  United Kingdom

Specimen size: 7 × 6.4 × 4.5 cm = 2.76” × 2.52” × 1.77”
Main crystal size: 4.9 × 3.8 cm = 1.93” × 1.50”