#ThinSectionThursday A subtle and wonderfully fresh gedrite-staurolite-quartz gneiss from Terbeostrov Shuyeretskoy in the White Sea, USSR. FOV 2mm. @Hunterian collections, collected by GW Tyrrell, in 1937. pic.twitter.com/FypCds2vfq
— John Faithfull (@FaithfullJohn) August 23, 2018
via Twitter https://twitter.com/FaithfullJohn
August 23, 2018 at 11:22AM
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