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单词 pickeringite
释义

pickeringiten.

Brit. /ˈpɪk(ə)rɪŋʌɪt/, U.S. /ˈpɪk(ə)rɪŋˌaɪt/
Origin: From a proper name, combined with an English element. Etymons: proper name Pickering , -ite suffix1.
Etymology: < the name of John Pickering (1777–1846), American philologist + -ite suffix1.The mineral was named by A. A. Hayes (see quot. 1844).
Mineralogy.
A mineral that is a monoclinic hydrated sulphate of aluminium and magnesium, MgAl2(SO4)4.22H2O, occurring as transparent or translucent, usually whitish, aggregates of fibrous or acicular crystals.
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the world > the earth > minerals > types of mineral > sulphates > [noun] > sulphates of two elements > hydrous or hydrated > aluminium-magnesium
pickeringite1844
sonomaite1876
1844 A. A. Hayes in Amer. Jrnl. Sc. 46 360 Pickeringite a native magnesian alum.
1874 Rep. Geol. Surv. Missouri (Missouri Geol. Surv.) 116 A white, silky-looking mineral was obtained by Mr. Norwood from McKerrow's coal bank, which..corresponds very well with Pickeringite.
1923 Nature 14 July 75/2 Pickeringite, copiapite, alunite, and jarosite occur as vein fillings, efflorescences or imbedded crystals.
1994 Pittsburgh (Pa.) Post-Gaz. (Nexis) 15 Apr. 17 This region is represented by pickeringite from Westmoreland County, celestite and strontianite from Blair County [etc.].
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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n.1844
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