PPL and XPL: Garnet (partially altered by chlorite), glaucophane (blue at PPL) and quartz in a quartz-rich blueschist. 2x (FOV = 7mm). #alexstrekeisen #glaucophane #blueschit #garnet #thinsection pic.twitter.com/IVaBNpq2tZ
— Alexstrekeisen (@alexstrekeisen) April 10, 2021
via Twitter https://twitter.com/alexstrekeisen
April 10, 2021 at 05:56PM
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