单词 | hercynite |
释义 | hercyniten. Mineralogy. Aluminate of iron, found in black octahedral crystals in the Bohemian Forest. 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 1849 J. Nicol Man. Mineral. 251 Hercynite. 1887 J. D. Dana Man. Mineral. 215 Hercynite, a spinel affording on analysis alumina and iron protoxide, with only 2·9 per cent. of magnesia. This entry has not yet been fully updated (first published 1898; most recently modified version published online December 2020). < |
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