macedonite

macedonite

[¦mas·ə¦dä‚nit]
(mineralogy)
PbTiO3 A mineral composed of an oxide of lead and titanium.
(petrology)
A basaltic rock that contains orthoclase, sodic plagioclase, biotite, olivine, and rare pyriboles.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.