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sodalite

[sohd-l-ahyt] /ˈsoʊd lˌaɪt/
noun
1.
a mineral, sodium aluminum silicate, Na 4 Al 3 Si 3 O 1 2 Cl, occurring massive and in crystals, usually blue in color and found in certain alkali-rich igneous rocks.
Origin
1800-1810
1800-10; soda + -lite
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for sodalite
  • All previous solid state measurements indicated a solid sodalite phase with an equal molar silicon and aluminum ratio.
British Dictionary definitions for sodalite

sodalite

/ˈsəʊdəˌlaɪt/
noun
1.
a blue, grey, yellow, or colourless mineral consisting of sodium aluminium silicate and sodium chloride in cubic crystalline form. It occurs in basic igneous rocks. Formula: Na4Al3Si3O12Cl
Word Origin
C19: from soda + -lite
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
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Encyclopedia Article for sodalite

feldspathoid mineral, a chloride-containing sodium aluminosilicate that occurs with leucite and nepheline in such igneous rocks as nepheline syenite, trachyte, and phonolite. For chemical formula and detailed physical properties, see feldspathoid (table)

Learn more about sodalite with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Word Value for sodalite

9
10
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