Fluorite

Heights Quarry, Westgate, Weardale, North Pennines Orefield, County Durham  United Kingdom

Specimen size: 4.6 × 4.4 × 3.7 cm = 1.81” × 1.73” × 1.46”
Main crystal size: 3.8 × 3.1 cm = 1.50” × 1.22”