Hornblende pleochroism remains one of my favourite features under the microscope. Deepest darkest hornblende happens to perfectly define my favourite colour too. #ThinSectionThursday pic.twitter.com/S94ALz2u5r
— Adam Jeffery (@Agpaitic_Adam) March 5, 2020
via Twitter https://twitter.com/Agpaitic_Adam
March 05, 2020 at 05:26PM
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