单词 | legrandite |
释义 | legranditen. Mineralogy. A rare zinc arsenate mineral forming colourless or yellow transparent prismatic crystals, originally described from a mine in north-eastern Mexico.Chemical formula: Zn2(AsO4)(OH).H2O. Crystal system: monoclinic. ΘΚΠ the world > the earth > minerals > types of mineral > arsenates > [noun] > others of one element picropharmacolite1823 arsenicite1843 rösslerite1862 hœrnesite1868 schultenite1926 legrandite1932 rooseveltite1947 sainfeldite1964 1932 J. Drugman & M. H. Hey in Mineral. Mag. 23 175 A chemical analysis..showed it to be indeed a new mineral, a basic zinc arsenate, and the name ‘legrandite’ is proposed for it in recognition of the collector. 1971 Soviet Physics: Doklady 16 421/2 Analyses of legrandite from various deposits reveal up to 2% Mn isomorphously replacing Zn. 2006 M. O'Donoghue Gems (ed. 6) xxiii. 423 Legrandite occurs in facetable quality only from the Ojuela mine, Mapimi, Durango, Mexico. This entry has been updated (OED Third Edition, March 2016; most recently modified version published online March 2022). < |
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