单词 | nenadkevichite |
释义 | nenadkevichiten. Mineralogy. An orthorhombic hydrated silicate of sodium, calcium, niobium, and titanium, (Na,Ca)(Nb,Ti)Si2O7·2H2O, which occurs as pale yellow crystals. ΘΚΠ the world > the earth > minerals > types of mineral > silicates > sorosilicates > [noun] > others meionite1808 gehlenite1817 marialite1868 bertrandite1887 lawsonite1895 nasonite1899 thortveitite1912 sklodowskite1924 rankinite1942 nenadkevichite1955 shcherbakovite1955 kilchoanite1961 1955 Mineral. Abstr. 12 569 (heading) Nenadkevichite—a new mineral. 1965 Doklady Earth Sci. 160 118/1 Among the natrolite and feldspar are..large (to 10 cm and more) dull flakes of nenadkevichite of a pale to pinkish yellow color. 1972 Mineral. Abstr. 23 225/2 Localities are described representing the alkalic complex of Augusta County [Virginia]... Associated with the alkalic rocks are nenadkevichite, astrophyllite, and bastnäsite. 1997 Proc. National Acad. Sci. U.S.A. 94 12264/1 In the last epithermal stage, earlier minerals were replaced (e.g. vuonnemite by nenadkevichite and zorite). This entry has been updated (OED Third Edition, September 2003; most recently modified version published online March 2022). < n.1955 |
随便看 |
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。