#ThinSectionThursday #pyrite #perfection in a sea of #chalcopyrite. Astoundingly high Se in pyrite over 5000 ppm! @TeaSe_SoS #VMS #Cyprus http://pic.twitter.com/SrrX2Dtky9
— Andrew J. Martin (@ajmartin1991) October 26, 2017
via Twitter https://twitter.com/ajmartin1991
October 26, 2017 at 12:36PM
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