Mineral: Fluorite and Calcite
Locality: Boltsburn Mine, Rookhope District, Weardale, North Pennines Orefield, County Durham, England / United Kingdom
Dimensions: 4.6 cm x 8.7 cm x 12.3 cm.

Description: Lustrous pale purple fluorite crystals to 1.3 cm associated with rosettes of flattened calcite rhombs on a gray limestone matrix. Strong purple fluorescence with both SW and LW UV light.

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