£575 €652 $750 approx. This specimen is priced in pounds sterling, all other prices are approximate.
Brightly lustrous gemmy green crystals of Fluorite from the Heights mine, Weardale. Fine interpenetrate twinned crystals of Fluorite measuring to 1.1cm on edge are richly inter grown in a curving formation on the typical altered Limestone matrix. Since the very early 1980's it has not been possible the access the underground workings of the mine.