#ThinSectionThursday
— micROCKScopica (@micROCKScopica) May 23, 2019
"Turritella Agate" under the microscope.
On top left corner radial textures of fibrous #chalcedony #fossils #minerals #crystals #geology #nature #abstractart #colors #rainbow pic.twitter.com/F4a6s6WkaF
via Twitter https://twitter.com/micROCKScopica
May 24, 2019 at 01:34AM
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