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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

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

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

These extensive sheets of water are surrounded by banks of tuff and volcanic sand, in which fragments of augite, leucite, and crystals of titanite are distributed.

From Volcanoes: Past and Present by Hull, Edward

These lavas, setting aside the leucite, very nearly resemble the phonolitic ejections of the Peak of Teneriffe.

From Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 1 by Ross, Thomasina

Vesuvian lava, glass paste with numerous crystals of leucite; others of augite and nepheline porphyritically developed; also small grains of magnetite.

From Volcanoes: Past and Present by Hull, Edward

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