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Related to kernite: borax, ulexite


A colorless to white lustrous crystalline mineral, Na2B4O7·4H2O, that is a major source of ore of boron.

[After Kern, a county of southern California.]


(Minerals) 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
[C20: from Kern County, California, where it was found + -ite1]


(ˈkɜr naɪt)

a mineral, hydrated sodium borate, Na2B4O7∙4H2O, occurring in colorless crystals: the principal source of boron.
[1925–30; after Kern County, Calif.; see -ite1]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.kernite - a light soft mineral consisting of hydrated sodium borate in crystalline form; an important source of boron
atomic number 5, boron, B - a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition
References in periodicals archive ?
28) The loss of which is observable in such other examples as kernite > kernit (mineral type).
High-scoring words included: kernite (a mineral) 100 points; coniines (poisonous alkaloid) 98; shrieval (relating to a sheriff) 97; exordial (beginning) 92.
More than 230 different types of boron minerals are known in nature, but the number having commercial importance is limited to the following: tincal, colemanite, kernite, ulexite, pandermite, boracite, szaibelyite and hydroboracite.