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Sorry for solid H2O, but it's #plagioclase for me.@MineralCup #MinCup2019 #teamplagioclase #geology #rocks #minerals pic.twitter.com/f17uFgLyhL

— micROCKScopica (@micROCKScopica) September 26, 2019

via Twitter https://twitter.com/micROCKScopica

September 26, 2019 at 09:54PM