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kernite

[kur-nahyt] /ˈkɜr naɪt/
noun
1.
a mineral, hydrated sodium borate, Na 2 B 4 O 7 ⋅4H 2 O, occurring in transparent colorless crystals: the principal source of boron compounds in the U.S.
Origin
1925-1930
1925-30; named after Kern County, California; see -ite1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for kernite
  • Borax, a chemical produced from either the mineral borax or from the mineral kernite, is often used in industry.
  • The principal boron minerals are borax, kernite, and colemanite.
  • Borax, locally called tincal, and kernite are the principal minerals.
British Dictionary definitions for kernite

kernite

/ˈkɜːnaɪt/
noun
1.
a light soft colourless or white mineral consisting of a hydrated sodium borate in monoclinic crystalline form: an important source of borax and other boron compounds. Formula: Na2B4O7.4H2O
Word Origin
C20: from Kern County, California, where it was found + -ite1
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 kernite

borate mineral, hydrated sodium borate (Na2B4O74H2O), that was formerly the chief source of borax (q.v.). It forms very large crystals, often 60 to 90 centimetres (2 to 3 feet) thick; the largest observed measured 240 by 90 cm. The crystals are colourless and transparent but are usually covered by a surface film of opaque white tincalconite. Kernite is associated with other borate minerals as veins, irregular masses, and crystals embedded in shale, as in Kern County, Calif., and Catamarca province, Argentina. For detailed physical properties, see borate mineral (table)

Learn more about kernite with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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