#ThinSectionThursday beautiful alter amphibole in syenite from the Ambohimirahavavy Complex #Madagascar @SosRare http://pic.twitter.com/kuMh9WCnMZ
— Eva Marquis (@EvaMarquis1) July 6, 2017
via Twitter https://twitter.com/EvaMarquis1
July 06, 2017 at 03:03PM
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