#MinCup2018 Beautiful bendy #Biotite phenocrysts in minette from St. Helier, Channel Islands. FOV 2mm wide. TS20722 @Hunterian collections. pic.twitter.com/cLJrJXyFrg
— John Faithfull (@FaithfullJohn) September 21, 2018
via Twitter https://twitter.com/FaithfullJohn
September 21, 2018 at 01:22PM
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