Sphalerite, Fluorite, Siderite - Cowshill, Weardale, Durham, England
Found 1976
 
This historic specimen from 1976 is rich in contrast, highly lustrous and has good aesthetics. Perfect extensive sphalerite crystals on water-clear, sharp-edged fluorite. Orange, lustrous siderites sit on the fluorite as a coloring element. Fluorite fluoresces white to blue under artificial UV light.