yttrocrasite

yttrocrasite

[‚i·trə′krā‚sīt]
(mineralogy)
(Y,Th,U,Ca)2Ti4O11 A black, orthorhombic mineral consisting of an oxide of rare earths and titanium.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.