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RM1883   Fluorite

Greenlaws Mine, Daddry Shield, Weardale, Co. Durham, England, United Kingdom

This specimen was worked from the area known as Great Limestone Flats. Crystals of good size, brightness, with intense geometric color zoning, that varies from purple to blue according to incident light. With defined faces and edges and these characteristic whitish internal structures. Accompanied by samll siderite crystals and galena. Extremely fluorescent.
The Greenlaws mine is located in Weardale, in the northern Pennines of England, south of the small town of Daddry Shield. Around we find famous mines such as Rogerly, Boltsburn or Heights... This Greenlaws mine was worked for the galena between 1840 and 1901, being one of the most important lead mines in the area. In 2009 a group of collectors started the "Greenlaws mining project". After almost 5 years digging out the vertical shaft over 80 meters (270 ft) appeared the first specimens of fluorite, ending 2013.


Size: 8.8 x 6.5 x 4.2 cm.
Main crystal: 25 x 22 mm.
Found in 2017.

Fluorescent under long wave UV


 
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