from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A dichroic violet-blue to gray mineral silicate of magnesium, aluminum, and sometimes iron. Also called dichroite.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A magnesium iron aluminium cyclosilicate.
from the GNU version of the Collaborative International Dictionary of English
- n. See iolite.
from The Century Dictionary and Cyclopedia
- n. Same as iolite.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a blue mineral of magnesium and iron and aluminum and silicon and oxygen; often used as a gemstone
French, after Pierre L. Cordier (1777-1861), French geologist.(American Heritage® Dictionary of the English Language, Fourth Edition)