hexahydriten.
/hɛksəˈhʌɪdrʌɪt/ Mineralogy.
The hexahydrate of magnesium sulphate, MgSO4·6H2O.
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the world > the earth > minerals > types of mineral > sulphates > [noun] > other simple sulphates > hydrous or hydrated
aluminite1805
websterite1823
mascagnine1836
morenosite1868
mallardite1883
szmikite1892
hexahydrite1911
minasragrite1915
retgersite1949
pentahydrite1951
1911 R. A. A. Johnston in Sum. Rep. Geol. Surv. Br. Dept. Mines 1910 (Canada) 257 As this is the first instance in which this salt has been recorded as occurring in a state of nature, this substance is entitled to be regarded as a new mineral, and the name hexahydrite is proposed for it, in allusion to the six molecules of water which enter into its composition.
1959 L. G. Berry & B. Mason Mineral. xiii. 437 In dry air at ordinary temperatures epsomite loses up to 1H2O, changing to hexahydrite.
This entry has not yet been fully updated (first published 1976; most recently modified version published online June 2021).
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n.1911