单词 | mendozite |
释义 | mendoziten. Mineralogy. The monoclinic form of hydrated sodium aluminium sulphate, NaAl(SO4)2·11H2O, occurring as white translucent crusts and fibrous masses. ΘΚΠ the world > the earth > minerals > types of mineral > sulphates > [noun] > sulphates of two elements > hydrous or hydrated > others botryogen1828 pisanite1861 mendozite1868 kaluszite1875 syngenite1875 leonite1897 vanthoffite1902 1868 J. D. Dana Syst. Mineral. (ed. 5) v. ii. 653 Mendozite... Occurs near Mendoza, east of the Andes. 1910 Encycl. Brit. I. 767/2 Sodium alum, Na2SO4.Al2(SO4)3.24H2O, occurs in nature as the mineral mendozite. 1951 C. Palache et al. Dana's Syst. Mineral. (ed. 7) II. 469 The names mendozite and kalinite are here used to designate the fibrous, monoclinic alums as distinct from the isometric species soda alum and potash alum, with which minerals they appear to have been generally confused. The natural occurrences of mendozite and kalinite, however, are not well-established. 1972 Amer. Mineralogist 57 1081 The dehydration of soda alum proceeds directly to tamarugite, bypassing the intermediate hydrate, mendozite. This entry has been updated (OED Third Edition, September 2001; most recently modified version published online March 2022). < n.1868 |
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