Fluorite penetration twin, 37 mm across, Blackdene Mine, Weardale, Co Duram, UK. ex Arthur Scoble photo

Hajar | all galleries >> Palaeogalleries >> Published Specimens > Fluorite penetration twin, 37 mm across, Blackdene Mine, Weardale, Co Duram, UK. ex Arthur Scoble

Published (Figure 5) in The Mineralogical Record, volume 52, March-April 2021. Smith & Holtkamp, Twinning in Fluorite Crystals.

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