kernite

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Related to kernite: borax, ulexite

kernite

[′kər‚nīt]

(mineralogy)

Na₂B₄O₇·4H₂O A colorless to white hydrous borate mineral crystallizing in the monoclinic system and having vitreous luster; an important source of boron. Also known as rasorite.

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References in periodicals archive ?

Now the patterns have been changed to 6.1 m x 6.1 m in the kernite, 7.9 mx 7.9 m in the borax ore and 9.1 m x 9.1 m in the overburden.

Rio Tinto Borax quick off the mark

The ore consists of a lenticular sedimentary facies of borax and kernite together with varying amounts of interstitial and interbedded claystone.

* Kernite, [Na.sub.2][B.sub.4][O.sub.7][center dot]4[H.sub.2]O, is a natural sodium borate used for the manufacture of boric acid (kernite is actually a metamorphosed form of tincal with fewer water molecules in the compound).