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A clear, blue or blue-violet cordierite often used as a gemstone. Also called water sapphire.

[Greek ion, violet; see iodine + -lite (on the model of German Iolith : Greek ion + -lith, -lite, -lith).]


(Minerals) another name for cordierite
[C19: from Greek ion a violet + -lite]
References in periodicals archive ?
Clear quartz |nugget and iolite drops necklace, left and moonstone and classic pearl necklace, right, both by Marianne Robson, details at madebymarianne.
EAGLE MOUNTAIN, Utah, April 29, 2014 /PRNewswire/ -- A Utah company is on the brink of revolutionizing the world of open-water swimming with the development of IOLITE, a small, high-precision tracking device that visually guides swimmers to stay on course.
It is rich in texture and style, made from sterling silver and iolite fine stones.
Also, guests who check in throughout the month of June may be one of five visitors to find a semi-precious stone -- either amethyst, green quartz, aquamarine, iolite or rock quartz -- awaiting them at turndown.
This pendant has a sweet little sterling silver crown (engraved on the inside with the date of the wedding), an iolite and freshwater pearl.
Clay components include chlorite, iolite, kaolinite and smectite.
A geological tourist in Brimfield - Dana specifies the "road leading to Warren" - might happen upon some lovely iolite, or traces of adularia, mica or garnet.
Lilac or indigo stones are best, such as pale amethyst, tanzanite, iolite, lilac charoite and lilac jade.
the Blu Starr Gemstone property, also situated in southern British Columbia, hosts a variety of gemstone discoveries (star-sapphire, gem garnet, iolite, aquamarine, tourmaline, titanite, moonstone and several varieties of quartz crystals).
21 themed cocktail at Jammer's Bar for two - an exotic, violet colored cocktail to represent the gemstone Iolite which is synonymous with 21st anniversaries
Anglo Swiss has been exploring for gemstones in South-eastern British Columbia since 1995 and has discovered numerous showings of star-sapphire, iolite, and gem-garnet on the Blu Starr property in the Slocan Valley.