Classic interpenetrant twin crystals of Fluorite with Calcite from Cambokeels Mine, Weardale, Cumbria. Crystals of Fluorite are pleasingly gemmy colourless measuring to 1.5cm on edge with several purple colour zones to the most dominant crystals with stubby nail head terminated crystals of translucent white Calcite. A neat Fluorite-Calcite specimen from the mine.