单词 | nigerite |
释义 | nigeriten. 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. ΘΚΠ 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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