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albite

American  
[al-bahyt] / ˈæl baɪt /

noun

Mineralogy.
  1. the sodium end member of the plagioclase feldspar group, light-colored and found in alkalic igneous rocks.


albite British  
/ ˈælbaɪt, ælˈbɪtɪk /

noun

  1. a colourless, milky-white, yellow, pink, green, or black mineral of the feldspar group and plagioclase series, found in igneous sedimentary and metamorphic rocks. It is used in the manufacture of glass and ceramics. Composition: sodium aluminium silicate. Formula: NaALSi 3 O 8 . Crystal structure: triclinic

"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

albite Scientific  
/ ălbīt′ /
  1. A clear to milky white triclinic mineral of the plagioclase group. Albite is common in igneous rocks, especially granite, and in metamorphic rocks that formed at low temperatures. Chemical formula: NaAlSi 3 O 8 .


Other Word Forms

Etymology

Origin of albite

1835–45; < Latin alb ( us ) white + -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.

See Examples For:

Granite is a mixture of quartz, felspar, and mica in variable proportions, and the quality of the soil it yields depends on whether the variety of felspar present be orthoclase or albite.

From Elements of Agricultural Chemistry by Anderson, Thomas

Albite, the sodium felspar, has 68.8 per cent of silica, and the species between this and anorthite are regarded as mixtures of albite and anorthite molecules.

From The New Gresham Encyclopedia Volume 4, Part 3: Estremoz to Felspar by Various

Those yielded by orthoclase must generally abound in potash, while albite and labradorite, containing little or none of that element, must produce soils in which it is deficient.

From Elements of Agricultural Chemistry by Anderson, Thomas

These fragments consist of glassy albite, much mackled, and with very imperfect cleavages, mingled with semi-rounded grains, having tarnished, glossy surfaces, of a steel-blue mineral.

From Volcanic Islands by Darwin, Charles

Hence probably it is that the fused albite, which is abundant in the pinnacle, disappears in the streams.

From Volcanic Islands by Darwin, Charles

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