Dictionary
a•lu•mi•nite
Pronunciation: (u-lOO'mu-nīt"), [key]—
n.
a mineral, hydrous aluminum sulfate, Al
2(SO
4)(OH)
4·7H
2O, occurring in white, chalky masses. Also called
websterite. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.