Biotite-Quartz-Garnet Schist
Credit Line: Mineralogical and Geological Museum at Harvard University
Object number: BILLINGS-MW95
DescriptionMassive gray schist with quartz (≤ 8 mm), biotite (≤ 7 mm), and garnet (≤ 1 mm). Some weathering is present as seen by the slight orange tinge to part of the specimen.