#ThinSectionThursday
— micROCKScopica (@micROCKScopica) December 20, 2018
A Christmas-tree-like spinifex olivine in the komatiites from Gorgona Island (Colombia)#geology #rocks #crystals #colors #microscopy pic.twitter.com/d0pcl5a0EQ
via Twitter https://twitter.com/micROCKScopica
December 21, 2018 at 12:40AM
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