pyrophyllite
Py*roph"yl*lite, n. Etym: [Pyro- + Gr. (Min.) Defn: A mineral, usually of a white or greenish color and pearly luster, consisting chiefly of the hydrous silicate of alumina.
Py*roph"yl*lite, n. Etym: [Pyro- + Gr. (Min.) Defn: A mineral, usually of a white or greenish color and pearly luster, consisting chiefly of the hydrous silicate of alumina.