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Origin of iolite
Words nearby iolite
Example sentences from the Web for iolite
It is a pseudomorph after iolite, and consists mainly of hydrous aluminium silicate.The New Gresham Encyclopedia|Various
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.