Sillimanite Schist
Credit Line: Mineralogical and Geological Museum at Harvard University
Object number: BILLINGS-W-175
DescriptionMassive sillimanite-rich schist. Sillimanite grains are ≤ 1.5 cm. Mica grains (≤ 3 mm) are also visible. Foliation is present and is seen by the orientation of the sillimanite crystals.