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iolite

[ ahy-uh-lahyt ]

noun

, Mineralogy.


iolite

/ ˈaɪəˌlaɪt /

noun

  1. another name for cordierite
“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
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Word History and Origins

Origin of iolite1

1750–60; < Greek ío ( n ) the violet + -lite
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Word History and Origins

Origin of iolite1

C19: from Greek ion a violet + -lite
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Example Sentences

Executives at Estonia-based iOlite, Scotland-based CaskCoin, UK-based Celsius Network, and Auctus, told Reuters they were barring U.S. citizens to steer clear of the SEC.

From Reuters

The appropriately named Magnipheasant feather collar of 18-karat white gold set with pavé black diamond, citrine, amethyst, rhodolite, red garnet, blue topaz, peridot and iolite.

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.

There is not one in a hundred jewelers who is acquainted with the physical properties of the gems, and very few can distinguish the diamond from the white zircon or the white topaz, the emerald from the tourmaline of similar hue, the sapphire from iolite, or the topaz from the Bohemian yellow quartz.

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