Locality: Blackdene Mine, Ireshopeburn, Weardale, County Durham, England, UK
Size: 58 mm x 27 mm x 26 mm (2.3 in. x 1.1 in. x 1 in.)
Weight: 47 g (1.6 oz.)
Cubic fluorite to 7 mm, with galena to ~1.5 mm. The fluorite is translucent and an attractive lavender color. The galena is a dark metallic gray. The fluorite fluoresces purple in short wave UV light. Ex. W. Wall.