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 Rubicline

Large Rubicline Image

Mineral: Rubicline: (Rb,K)AlSi3O8
Comments: Rubicline (white) including grains of quartz (black) in microcline (gray) associated with albite (black) and muscovite (mottled dark gray). BSE image (AmMin, 83:1336).
Location: Pollucite-bearing rare-element pegmatite at San Piero in Campo, Elba, Italy.
Scale: Grain size 20 µm.
Copyright: © American Mineralogist
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