#ThinSectionThursday A retrogressed metabasite from Loch Duich, showing very nice crystals of zoisite (greyish), in white albite (replacing a former Ca-rich plagioclase feldspar), plus epidote, quartz and hornblende. FOV 2mm wide. pic.twitter.com/wfejt09z9x
— John Faithfull (@FaithfullJohn) May 31, 2018
via Twitter https://twitter.com/FaithfullJohn
May 31, 2018 at 08:12PM
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