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Prehnite Sgurr nan Cearcall, nr Glen Brittle, Isle of Skye, Scotland, UK 6cm x 4cm x 5cm deep ’Stalactitic’ formation of white prehnite on very hard basalt. The prehnite has most likely replaced some thin crystals of another, probably zeolitic mineral like laumontite. Self-collected 1997 (Author: Mike Wood)

Prehnite
Sgurr nan Cearcall, nr Glen Brittle, Isle of Skye, Scotland, UK
6cm x 4cm x 5cm deep
’Stalactitic’ formation of white prehnite on very hard basalt. The prehnite has most likely replaced some thin crystals of another, probably zeolitic mineral like laumontite.
Self-collected 1997 (Author: Mike Wood)

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