TOP FLUORITE xx
very rare “blackberry” color zones , caused by Galena (lead sulphide)
The green of the fluorites is probably due to d effects in the crystal lattice.
Pieces from finds in the 1970s
Fundort_. Weardale – North Pennines, Durham Co. – England – UK
Weight: 270 g Dim.: 11 x 7 x 4 cm
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