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felspar

American  
[fel-spahr] / ˈfɛlˌspɑr /

noun

  1. feldspar.


felspar British  
/ fɛlˈspæθɪk, ˈfɛlˌspɑː /

noun

  1. a variant (esp Brit) of feldspar

"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

  • felspathic adjective

Etymology

Origin of felspar

< German Fels rock + spar 3, by false etymological analysis

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.

The felspar of the granulites is mostly orthoclase or cryptoperthite; microcline, oligoclase and albite are also common.

From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 3 "Gordon, Lord George" to "Grasses" by Various

Whence came this green olivine?—whence this plate of specular iron?—whence this quartz and felspar; and all these other minerals I see around me?

From Blackwood's Edinburgh Magazine, Vol. 60, No. 373, November 1846 by Various

Everywhere were little grains of felspar, mica, or quartz, which caught the reflection of the light.

From Treasure of Kings Being the Story of the Discovery of the \"Big Fish,\" or the Quest of the Greater Treasure of the Incas of Peru. by Gilson, Charles

Albite, al′bīt, n. a species of mineral of the felspar family, of a white colour, and forming a constituent of many kinds of rocks.

From Chambers's Twentieth Century Dictionary (part 1 of 4: A-D) by Various

Around the garnets there is often a radial grouping of small grains of pyroxene and hornblende in a clear matrix of felspar: these “centric” structures are frequent in granulites.

From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 3 "Gordon, Lord George" to "Grasses" by Various