单词 | wodginite |
释义 | wodginiten. Mineralogy. A rare mineral consisting of an oxide of tantalum and other metals, typically occurring as brown or black grains or prismatic crystals.Wodginite generally contains tantalum, manganese, tin, and niobium, and often also some iron; chemical formula Mn(Sn,Ta)(Ta,Nb)2O8. Crystal system: monoclinic. ΘΚΠ the world > the earth > minerals > types of mineral > oxides and hydroxides > [noun] > oxides of titanium, tantalum, nickel, or rare earths > others crichtonite1813 polymignite1826 warwickite1838 samarskite1849 adelpholite1859 guarinite1859 hielmite1861 tapiolite1868 sipylite1877 koppite1880 stibiotantalite1893 lewisite1895 mossite1898 neotantalite1903 priorite1907 arizonite1909 betafite1912 ampangabeite1913 ishikawaite1922 tanteuxenite1928 thoreaulite1934 simpsonite1937 priderite1951 irinite1955 obruchevite1955 lueshite1961 pseudo-ixiolite1963 wodginite1963 pseudorutile1966 armalcolite1970 1963 E. H. Nickel et al. in Canad. Mineralogist 7 390 The name wodginite is proposed for a mineral found at two widely separated localities—Wodgina, Australia and Bernic Lake, Manitoba. 1978 Mineral. Rec. 9 18/2 (caption) Unusual twin crystal of wodginite/cassiterite. The size is about 6 × 4·5 × 3·5 cm. 2014 P. Cristofono Rockhounding New Eng. 221 Columbite-(Mn) occurs in red-brown to black rectangular crystals, sometimes with a core of wodginite, an uncommon manganese-tin-tantalum oxide. This entry has been updated (OED Third Edition, December 2016; most recently modified version published online December 2021). < n.1963 |
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