Sillimanite-Garnet-Tourmaline-Quartz Schist
Credit Line: Mineralogical and Geological Museum at Harvard University
Object number: BILLINGS-MW168
DescriptionSchist containing fine-grained sillimanite, tourmaline (≤ 1.5 cm), garnet (≤ 2 mm), and quartz veins (≤ 7 mm thickness).