websterite
Web"ster*ite, n. Etym: [So named after Webster, the geologist.] (Min.) Defn: A hydrous sulphate of alumina occurring in white reniform masses.
Web"ster*ite, n. Etym: [So named after Webster, the geologist.] (Min.) Defn: A hydrous sulphate of alumina occurring in white reniform masses.