| 释义 |
kernite Min.|ˈkɜːnaɪt|
[f. Kern, name of the county in California where it was discovered + -ite1.]
A hydrated form of sodium borate, Na2B4O7.4H2O, that occurs as large transparent crystals and is used as a source of borax.
1927W. T. Schaller in Amer. Mineralogist XII. 24 The new mineral kernite, Na2B4O7.4H2O, was received through Hoyt S. Gale..and is reported to occur in quantity in the southeast corner of Kern County, California... The name kernite is proposed. 1930Prof. Papers U.S. Geol. Survey No. 158. i. 146/1 The extreme abundance of kernite, its large crystals, its perfect cleavage, and its clearness and transparency render the occurrence one of almost unique character as well as of striking beauty. 1951C. Palache et al. Dana's Syst. Min. (ed. 7) II. xv. 337 The material had earlier been called rasorite..but the name kernite has published priority. 1972M. H. Battey Mineral. for Students 235 Borax and the related mineral kernite, Na2B4O6(OH)2.3H2O, are the principal sources of borax and of boron. |