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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

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

They had very little leucite and abounded in pyroxene and olivine, and sometimes contained a few crystals of amphibole.3.

From The Eruption of Vesuvius in 1872 by Palmieri, Luigi

The flows from Kibo include nepheline and leucite basanite lavas rich in soda felspars.

From Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" by Various

In the lava of Vesuvius leucite is an essential, and perhaps the most abundant mineral.

From Volcanoes: Past and Present by Hull, Edward

The albite in these lavas is in a similar condition with the leucite of Vesuvius, and with the olivine, described by Von Buch, as projecting in great balls from the basalt of Lanzarote.

From Volcanic Islands by Darwin, Charles

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