A very unusual member of the amphibole family called fluororichterite. Similar to tremolite, but with added Na in… https://t.co/9fv28el98W http://pic.twitter.com/LivSwlELmk
— ccarrigan (@GeosciImaging) May 15, 2017
via Twitter https://twitter.com/GeosciImaging
May 15, 2017 at 08:17PM
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