Dictionary
bast•naes•ite
Pronunciation: (bast'nu-sīt"), [key]—
n.
a rare-earth mineral, fluorocarbonate of lanthanum and cerium, with a waxy-yellow to reddish-brown color, commonly associated with zinc ores.
Also,bast'näs•ite".Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.