单词 | manganomagnetite |
释义 | † manganomagnetiten. Mineralogy. Obsolete. A manganiferous mineral now considered to be identical with vredenbergite. ΘΚΠ the world > the earth > minerals > types of mineral > oxides and hydroxides > [noun] > spinel group AB2 O4 > others picotite1814 franklinite1820 hausmannite1831 hercynite1849 jacobsite1869 hetaerolite1877 trippkeite1881 sapphirine1883 water-spinel1883 manganomagnetite1890 chrome-spinel1892 magnesiochromite1892 magnochromite1892 picrochromite1920 trevorite1921 ulvöspinel1947 taaffeite1951 nickel spinel1961 1890 Cent. Dict. Manganomagnetite, a variety of magnetite containing considerable manganese. This entry has been updated (OED Third Edition, September 2000; most recently modified version published online December 2018). < |
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