Dictionary
val•en•tin•ite
Pronunciation: (val'un-ti-nīt", -tē"nīt), [key]—
n.
a mineral, antimony trioxide, Sb
2O
3, formed by the oxidation of various minerals containing antimony and occurring in the form of white orthorhombic crystals.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.