hortonolite

hortonolite

[hȯr′tän·əl‚īt]
(mineralogy)
(Fe,Mg,Mn)2SiO4 A dark mineral composed of silicate of iron, magnesium, and manganese; a member of the olivine series.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.