nordstranditen.

Brit.

/ˈnɔːdstrəndʌɪt/, U.S.

/ˈnɔrdstrənˌdaɪt/

Origin: A borrowing from French. Etymon: French nordstrandite.

Etymology: < French nordstrandite (D. Papée et al. 1958, in Bull. de la Soc. Chim. de France 1306/2) < the name of Robert A. van Nordstrand , 20th-cent. U.S. chemist + -ite -ite suffix¹.

Mineralogy.

A phase of aluminium hydroxide, Al(OH)₃, that has a triclinic crystalline structure.

ΘΚΠ

the world > the earth > minerals > types of mineral > oxides and hydroxides > [noun] > hydroxides > others

gibbsite1822

pyrochroite1868

portlandite1933

hydrocalumite1934

nordstrandite1962

wickmanite1967

tetrawickmanite1973

1962 Nature 20 Oct. 265/1 The nordstrandite varies from almost colourless to coral pink and reddish-brown, the coloration being largely due to inclusions of finely divided goethite.

1984 N. N. Greenwood & A. Earnshaw Chem. of Elements (1986) vii. 277 A third form of Al(OH)₃, nordstrandite, is obtained from the gelatinous hydroxide by ageing it in the presence of a chelating agent such as ethylenediamine.

1994 Geochim. et Cosmochim. Acta 58 5268/1 Gibbsite is the predominant polymorph of Al(OH)₃ in natural samples, although two other polymorphs, bayerite and nordstrandite, have been reported.

This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022).

单词	nordstrandite
释义	nordstranditen. Brit. /ˈnɔːdstrəndʌɪt/, U.S. /ˈnɔrdstrənˌdaɪt/ Origin: A borrowing from French. Etymon: French nordstrandite. Etymology: < French nordstrandite (D. Papée et al. 1958, in Bull. de la Soc. Chim. de France 1306/2) < the name of Robert A. van Nordstrand , 20th-cent. U.S. chemist + -ite -ite suffix¹. Mineralogy. A phase of aluminium hydroxide, Al(OH)₃, that has a triclinic crystalline structure. ΘΚΠ the world > the earth > minerals > types of mineral > oxides and hydroxides > [noun] > hydroxides > others gibbsite1822 pyrochroite1868 portlandite1933 hydrocalumite1934 nordstrandite1962 wickmanite1967 tetrawickmanite1973 1962 Nature 20 Oct. 265/1 The nordstrandite varies from almost colourless to coral pink and reddish-brown, the coloration being largely due to inclusions of finely divided goethite. 1984 N. N. Greenwood & A. Earnshaw Chem. of Elements (1986) vii. 277 A third form of Al(OH)₃, nordstrandite, is obtained from the gelatinous hydroxide by ageing it in the presence of a chelating agent such as ethylenediamine. 1994 Geochim. et Cosmochim. Acta 58 5268/1 Gibbsite is the predominant polymorph of Al(OH)₃ in natural samples, although two other polymorphs, bayerite and nordstrandite, have been reported. This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022). < n.1962
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