norbergite
norbergite
[′nȯr‚bər‚gīt] (mineralogy)
Mg3SiO4(F,OH)2 A yellow or pink orthorhombic mineral composed of magnesium silicate with fluoride and hydroxyl; it is a member of the humite group.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.