Mineral Species: Fluorite
Chemical Formula: CaF2
Chemical Name: Calcium Fluoride
Mineral Class: Halide
Mineral Notes: Fluorite is found in a wide range of geologic environments, ranging from inclusions in granite to replacement deposits in limestones. It is one of the most commonly collected minerals because of the beauty of its specimens.
Description: An extremely high quality specimen of exceptional colour and crystal clarity. It is one of the early specimens from this location when the best Fluorite was extracted. Most crystals show twinning and there is very strong daylight and LW-UV fluorescence. A mineral classic.
Location: Rogerley Mine, Weardale, Co. Durham, England.