An opulent Christmas #ThinSectionThursday. Bright elongate olivine, plus grey-white plagioclase crystals enclosed in a single large purple-blue clinopyroxene oikocryst, fomr Unit 5, Eastern Layered Intrusion, Rum. FOV 2mm wide. @Hunterian pic.twitter.com/h54RBCsoDc
— John Faithfull (@FaithfullJohn) December 20, 2018
via Twitter https://twitter.com/FaithfullJohn
December 20, 2018 at 06:33PM
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