Fluorite twin, 65 mm, hexoctahedral and shallow tetrahexahedral faces are seen. Boltsburn Mine, Weardale, Co Durham. photo

Hajar | all galleries >> Palaeogalleries >> Published Specimens > Fluorite twin, 65 mm, hexoctahedral and shallow tetrahexahedral faces are seen. Boltsburn Mine, Weardale, Co Durham.

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17-NOV-2013

Fluorite twin, 65 mm, hexoctahedral and shallow tetrahexahedral faces are seen. Boltsburn Mine, Weardale, Co Durham.

Published (Figure 6) in The Mineralogical Record, volume 52, March-April 2021. Smith & Holtkamp, Twinning in Fluorite Crystals.

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1/20s f/10.0 at 75.0mm iso200 full exif

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