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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  
/ 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

Etymology

Origin of leucite

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

Example Sentences

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See Examples For:

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

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

It is allied to leucite, with the greater proportion of its potash replaced by lime and soda.

From Geological Observations on South America by Charles Darwin

Crystals of leucite with microliths and cavities darkened by magnetite dust; also, containing crystals of magnetite.

From Volcanoes: Past and Present by Edward Hull

In mineral composition they scarcely differ from the lavas of Somma, the rock consisting of a base of leucite and augite, through which large crystals of augite and some of leucite are scattered.

From The Student's Elements of Geology by Sir Charles Lyell

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