Origin of iolite
Examples from the Web for iolite
Historical Examples of 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