from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See cordierite.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Iolite.
from the GNU version of the Collaborative International Dictionary of English
- n. Iolite; -- so called from its presenting two different colors when viewed in two different directions. See iolite.
from The Century Dictionary and Cyclopedia
- n. Iolite (which see): so called from its variation in color.
dichro(ic) + -ite1.(American Heritage® Dictionary of the English Language, Fourth Edition)
See dichroism. So called because it presents two different colours when viewed in two different directions. (Wiktionary)