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Fluorite (GEM twin)
- Rogerley Mine, Frosterley, Weardale, North Pennines, Durham, England
- Thumbnail, 2.2 x 2.0 x 1.6 cm
- Start Time: 06/15/2017 6:45:00 pm (CDT)
- End Time: 06/22/2017 6:45:00 pm (CDT)
- Auction Closed
Item Description
A fine, sharp, VERY gemmy (virtually WATER CLEAR), interpenetrant twin on a cube-diagonal twinning axis (as often seen from this locality). This form is what makes these specimens so desirable from the English lead mines at Weardale. Good color saturation for the size. The piece shows the classic purple fluorescence that is often seen in Rogerley Fluorites in both sunlight (daylight) and UV light.
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