单词 | irinite |
释义 | iriniten. Mineralogy. An oxide-hydroxide of sodium, cerium, thorium, titanium, and niobium occurring as red-brown crystals in the Khibiny Massif in norther Russia, and belonging to the perovskite group of minerals. 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 1955 Mineral. Abstr. XII. 462 Irinite occurs as combination of cube and octahedron from 0·5 to 1 cm. in size... Formula ABX3, namely (Na, Ce, Th)1 − x(Ti, Nb)(O3 − x, (OH)x) with deficiency of A cations. 1962 W. A. Deer et al. Rock-forming Minerals V. 51 Irinite, described as a new mineral of the perovskite group..has a high thorium and rare earth content. This entry has not yet been fully updated (first published 1976; most recently modified version published online June 2022). < n.1955 |
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