单词 | priorite |
释义 | prioriten. Mineralogy. A rare mineral of the orthorhombic crystal system consisting of an oxide and hydroxide of niobium, titanium, and yttrium (with traces of several other elements), and occurring as black or dark brown, prismatic crystals. 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 1907 Jrnl. Chem. Soc. 92 ii. 886 Another mineral of this series is one from Swaziland, South Africa, analysed by G. T. Prior..; for this, the name priorite is proposed. Blomstrandine and priorite are isomorphous and are respectively dimorphous with polycrase and euxenite. 1944 C. Palache et al. Dana's Syst. Mineral. (ed. 7) I. 796 Priorite was found originally at Urstad on the island of Hitterö in southwest Norway. 1974 Analyt. Chem. 46 1323/2 The uncommon rare-earth minerals gadolinite..and priorite..can be dated by the Lu–Hf method. This entry has been updated (OED Third Edition, June 2007; most recently modified version published online March 2022). < n.1907 |
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