iolite

== English == === Etymology === From Ancient Greek ἴον (íon, “violet”) +‎ -lite. === Pronunciation === IPA(key): /ˈaɪəˌlaɪt/ === Noun === iolite (countable and uncountable, plural iolites) (gemology) The clear variety of cordierite, sometimes used as a gem. ==== Hypernyms ==== cordierite dichroite === Further reading === David Barthelmy (1997–2026), “Iolite”, in Webmineral Mineralogy Database. “iolite”, in Mindat.org‎[1], Hudson Institute of Mineralogy, 2000–2026.