#ThinSectionThursday bonus. Fractured brown tourmaline 'healed' by blue tourmaline with different composition. Deformed pegmatite from Elba, Italy. FOV: 3 mm https://t.co/BfOPv773aK
— Samuele Papeschi (@CalamitaMan) Apr 7, 2022
via Twitter https://twitter.com/CalamitaMan
April 07, 2022 at 03:19PM
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