Andalusite in a schist from near Tampere, Finland.#colors #rocks #geology #diagonal #lines #crystals #minerals #microscope #photography pic.twitter.com/PHyOxB605A
— micROCKScopica (@micROCKScopica) October 22, 2019
via Twitter https://twitter.com/micROCKScopica
October 22, 2019 at 07:41PM
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