单词 | neotocite |
释义 | neotociten. Mineralogy. A hydrated silicate of manganese, ferrous iron, and often magnesium, (Mn, Fe, Mg)SiO3·H2O, found as black amorphous masses. ΘΚΠ the world > the earth > minerals > types of mineral > silicates > cyclosilicates > [noun] > others neotocite1854 stokesite1899 benitoite1907 wadeite1938 tugtupite1962 rosenhahnite1967 the world > the earth > minerals > types of mineral > silicates > miscellaneous silicates > [noun] > of manganese and iron neotocite1854 klipsteinite1868 wittingite1868 neotesite1890 manganpyrosmalite1953 1854 J. D. Dana Syst. Mineral. (ed. 4) II. 169 A related mineral [to Stratopeite] has been called Neotokite. 1882 J. D. Dana Min. (ed. 4) 316 Neotocite (Stratopeite) and Wittingite are results of the alteration of rhodonite, and contain manganese. 1921 Jrnl. Washington Acad. Sci. 11 27 Some specimens of the bementite rock are cut by thin veinlets of dark brown to black amorphous neotocite. 1932 Amer. Mineralogist 17 18 Areas of neotocite, several centimeters across are characterized by glistening black color and conchoidal fracture. 1968 I. Kostov Mineral. 351 The amorphous silicate of manganese known as neotocite, occurring as black, opal- or coal-like masses is found as a weathering product of rhodonite and as a volcanogenic-sedimentary mineral. 1996 Jrnl. Czech Geol. Soc. 41 7 The hydrous ferri-manganese silicates from the Fe-Mn Chvaletice deposit correspond compositionally to..the hisingerite–neotocite series. This entry has been updated (OED Third Edition, September 2003; most recently modified version published online March 2022). < |
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