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单词 nigerite
释义

nigeriten.

Brit. /ˈnʌɪdʒərʌɪt/, U.S. /ˈnaɪdʒəˌraɪt/
Origin: From a proper name, combined with an English element. Etymons: proper name Nigeria , -ite suffix1.
Etymology: < niger- (in Nigeria, the name of the country in which the mineral was discovered: see Nigerian n. and adj.) + -ite suffix1.
Mineralogy.
A hydroxide and oxide of zinc, iron, magnesium, tin, and aluminium, crystallizing in the hexagonal system and occurring as brown or red platelets; (Zn,Fe2+,Mg)(Sn,Zn)2(Al,Fe3+)12O22(OH)2.
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the world > the earth > minerals > types of mineral > oxides and hydroxides > [noun] > other oxides > oxides of two plus elements
lithiophorite1871
baddeleyite1892
brazilite1893
strüverite1907
katoptrite1917
magnetoplumbite1926
nigerite1946
1946 R. Jacobson & J. S. Webb in Bull. Geol. Surv. Nigeria No. 17. 11 The dykes to the south-east of Oke Oloke are of special interest on account of the discovery of a new tin–zinc mineral, nigerite, which occurs in quartz–andalusite–sillimanite veins associated with the albitized pegmatites.
1947 Times 2 Dec. 6/3 Specimens of nigerite, a new tin mineral, recently analysed and described by the Museum's Department of Mineralogy, have been given.
1998 Canad. Mineralogist 36 609 The newly discovered Separation Rapids pegmatite group..contains..probably the first occurrence in North America of nigerite from a granitic pegmatite.
This entry has been updated (OED Third Edition, September 2003; most recently modified version published online March 2022).
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n.1946
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