Origin of iolite
1750–60; < Greek ío(n) the violet + -lite
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for iolite
Iolite is a hydrous magnesium and aluminium silicate, with ferrous iron partially replacing magnesium.
Iolite, ī′o-līt, n. a transparent gem which presents a violet-blue colour when looked at in a certain direction.
It is a pseudomorph after iolite, and consists mainly of hydrous aluminium silicate.The New Gresham Encyclopedia
- another name for cordierite
C19: from Greek ion a violet + -lite