Rogerley Mine,Frosterley,Country Durham,United Kingdom
9mm x 7mm x 7mm
Well formed, lustrous, cubic and gemmy crystals of fluorite from world famous locality - Rogerly Mine. Lustrous fluorite cubes are well coloured - dark emerald green in colour with a strong blue daylight fluorescence, and an even stronger purple-white fluorescence under long wave UV light. This amazing fluorite crystals change colour in different lights - in natural light they are blue, in artificial light they are green. Some demages and chips.;;;
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