#MineralMonday Chromitite with spectacularly coloured interstitial altered serpentine, Unst, Shetland Islands. (FOV ~10cm). #Geology #Unst http://pic.twitter.com/5OApFRtTn8
— Matthew Tarling (@RocksbyDefault) April 16, 2017
via Twitter https://twitter.com/RocksbyDefault
April 16, 2017 at 11:39PM
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