stained-glass like appearance with bright pinks, blues, and greens. Muscovite
grains tend to be long parallel to cleavage traces.
In hand specimen, muscovite is familiar as the light-colored mica that breaks into clear, flexible sheets.
In both pairs of pictures, the muscovite is in several grains, with
the largest going diagonally across the center of the field of view.
Other minerals surrounding the muscovite include kyanite,
biotite, and quartz.
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