bilinite

bilinite

[′bil·ə‚nīt]
(mineralogy)
Fe2+Fe3+(SO4)4·22H2O A white to yellowish mineral consisting of a hydrated sulfate of divalent and trivalent iron; occurs in radial-fibrous aggregates.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.