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单词 vanthoffite
释义

vanthoffiten.

/vantˈhɒfʌɪt/
Etymology: < German vanthoffit (K. Kubierschky 1902, in Sitzungsber. d. Preuss. Akad. d. Wissensch. zu Berlin XXI. 407), < the name of J. H. van't Hoff n., who first synthesized the compound: see -ite suffix1.
Mineralogy.
A sulphate of sodium and magnesium, Na6Mg(SO4)4, found as colourless, grey, or pale yellow monoclinic crystals that are transparent with a vitreous lustre and occur esp. in oceanic salt deposits.
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
1902 Jrnl. Chem. Soc. 82 ii. 406 The following salts are present in the mixture:..3Na2SO4, MgSO4, to which the name vanthoffite is given.
1966 Prof. Papers U.S. Geol. Surv. No. 550 - b. 125/1 The halite rock in which the double sulfate minerals occur is medium to coarse grained... Loewite, vanthoffite, bloedite, and leonite are constituents of the ore zones.
This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018).
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