DescriptionFLUORESCENT ENGLISH FLUORITE
Rogerley Mine, Weardle, Co. Durham, UK
The famous Rogerley Mine in northern England is the only mine in that country worked exclusively for mineral specimens. It was discovered in the 1970's in an abandoned limestone quarry and, following a period of inactivity, reopened in 1999 when new excavations found more and more spectacular cavities lined with the location's characteristic fluorite. The present specimen is a good example, coated with small translucent cubic crystals indicative of the mineral's isometric habit. Under artificial indoor lighting they appear almost colorless, with just a soft hint of violet; this effect is strikingly enhanced in natural sunlight displaying a lovely soft purple tint, but it is under long wave ultraviolet light however that the crystals really spring to life, glowing with a strong fluorescent purple tinged with deep blue. This fine collector's specimen measures 5 inches across.
Condition report available upon request.
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