Picrite is a basalt that is chock full of olivine & clinopyroxene, and it is just so pretty in thin section! #twinning is today’s #ThinSectionThursday theme, so I found a cpx that shows a simple twin - you can kind of think of them as the conjoined 👯 of #minerals!
— Melissa Scruggs (@VolcanoDoc) April 4, 2019
4x mag, XPL. pic.twitter.com/uBTtvJLEOl
via Twitter https://twitter.com/VolcanoDoc
April 05, 2019 at 05:10AM
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