• synonyms


noun Mineralogy.
  1. cordierite.
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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

Historical Examples of iolite

  • Iolite is a hydrous magnesium and aluminium silicate, with ferrous iron partially replacing magnesium.

    Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 6


  • 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.

British Dictionary definitions for iolite


  1. another name for cordierite
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Word Origin for iolite

C19: from Greek ion a violet + -lite
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012