Free talc porphyroblast in a talc - carbonate - serpentine mylonite. about 1 mm wide. #geology #thinsection #petrography #minerals https://t.co/gqJfeZO6ju
— Samuele Papeschi (@CalamitaMan) Dec 3, 2021
via Twitter https://twitter.com/CalamitaMan
December 03, 2021 at 02:05PM
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