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Micaceous Quartzite
Source:
Billings M.P.
Credit Line: Mineralogical and Geological Museum at Harvard University
Object number: BILLINGS-MW-111
DescriptionQuartzite consisting of quartz, muscovite (≤ 7 mm) and biotite (≤ 0.5 mm). Muscovite grains are fairly large when compared to quartz and biotite. Weathering and vegetation are present.