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leucite

American  
[loo-sahyt] / ˈlu saɪt /

noun

  1. a whitish or grayish mineral, potassium aluminum silicate, KAlSi 2 O 6 , found in alkali volcanic rocks.


leucite British  
/ luːˈsɪtɪk, ˈluːsaɪt /

noun

  1. a grey or white mineral consisting of potassium aluminium silicate: a source of potash for fertilizers and of aluminium. Formula: KAlSi 2 O 6

"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

Other Word Forms

Derived Forms

Etymology

Origin of leucite

From the German word Leukit, dating back to 1790–1800. See leuco-, -ite 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

There are great beds of it in the green sands of New Jersey, the Cartersville slates of Georgia, and the leucite rocks of Wyoming.

From Time Magazine Archive

Vesuvian lava, glass paste with numerous crystals of leucite; others of olivine, hornblende, and sanidine, porphyritically developed; small grains of magnetite.

From Volcanoes: Past and Present by Hull, Edward

Their commonest minerals are olivine, anorthite, hornblende, augite, biotite and leucite.

From The Project Gutenberg Encyclopedia Volume 1 of 28 by Project Gutenberg

Within it they found crystals of leucite already formed, showing that these are the first to grow while the melted rock is still intensely hot.

From Through Magic Glasses and Other Lectures A Sequel to The Fairyland of Science by Buckley, Arabella B.

It may be noted that the name of white garnet has been given to the mineral leucite, which occurs, like garnet, crystallized in icositetrahedra.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 4 "G" to "Gaskell, Elizabeth" by Various

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