boussingaultite

boussingaultite

[‚büs·ən′gȯl‚tīt]
(mineralogy)
(NH4)2Mg(SO4)2·6H2O A colorless to yellowish-pink, monoclinic mineral consisting of a hydrated sulfate of ammonium and magnesium; usually occurs in massive form, as crusts or stalactites.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.