wavellite
Wa"vel*lite, n. Etym: [After Dr. Wm. Wavel, the discoverer.] (Min.) Defn: A hydrous phosphate of alumina, occurring usually in hemispherical radiated forms varying in color from white to yellow, green, or black.
Wa"vel*lite, n. Etym: [After Dr. Wm. Wavel, the discoverer.] (Min.) Defn: A hydrous phosphate of alumina, occurring usually in hemispherical radiated forms varying in color from white to yellow, green, or black.