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.

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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

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albite Scientific  

/ ăl′bīt′ /

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 .

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Other Word Forms

Derived Forms

• albitic
  adjective

Etymology

Origin of albite

1835–45; < Latin alb ( us ) white + -ite ¹

Example Sentences

Among them are amethyst, and other varieties of crystal, of quartz, henlandite, stibite, analcine, chabasie, albite, nesotype, silicious sinter, and so on.

From Nature and Human Nature by Haliburton, Thomas Chandler

Recently a few large isolated crystals with the form of icositetrahedra have been found with calcite and albite in a gold-vein on Frossnitz-Alpe in the Gross-Venediger, Tirol.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 7 "Equation" to "Ethics" by Various

Some of the trachytic lavas are said to abound with crystals of albite.

From Narrative of the Circumnavigation of the Globe by the Austrian Frigate Novara, Volume I (Commodore B. Von Wullerstorf-Urbair,) Undertaken by Order of the Imperial Government in the Years 1857, 1858, & 1859, Under the Immediate Auspices of His I. and R. Highness the Archduke Ferdinand Maximilian, Commander-In-Chief of the Austrian Navy. by Scherzer, Karl Ritter von

The best specimens are afforded by the beautifully developed transparent glassy crystals, found with albite, prehnite and quartz, in a zone of amphibolite and chlorite-schists at Le Bourg d'Oisans in Dauphin�.

From Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 1 "Austria, Lower" to "Bacon" by Various

The albite is not unfrequently associated with olivine.

From Volcanic Islands by Darwin, Charles