单词 | orangite |
释义 | orangiten. Mineralogy. An orange-yellow variety of thorite. ΘΚΠ the world > the earth > minerals > types of mineral > silicates > nesosilicates > [noun] > zircon group > thorite thorite1832 orangite1851 1851 Amer. Jrnl. Sci. 62 387 The mineral orangite which contains the metal thorium. 1895 Science 25 Oct. 534/1 Helium..is also found in smaller quantities in samarskite, orangite and monazite. 1938 R. W. Lawson tr. G. von Hevesy & F. A. Paneth Man. Radioactivity (ed. 2) xxv. 273 Thorite, orangite, ThSiO4 + H2O. 1962 Amer. Mineralogist 47 1468 Columbite, monazite, thorite, orangite, cassiterite and quartz–columbite intergrowths make up the remaining 10% [of Nigerian xenotime]. This entry has been updated (OED Third Edition, June 2004; most recently modified version published online March 2022). < |
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