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单词 nenadkevichite
释义

nenadkevichiten.

Brit. /nɛˈnadkəvɪtʃʌɪt/, U.S. /nɛˈnædkəvɪˌtʃaɪt/
Origin: A borrowing from Russian. Etymon: Russian nenadkevičit.
Etymology: < Russian nenadkevičit (M. V. Kuz′menko & M. E. Kazakova 1955, in Doklady Akademii nauk SSSR 100 1159) < the name of Konstantin Avtonomovič Nenadkevič (1880–1963), Russian mineralogist and geochemist + -it -ite suffix1.
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).
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n.1955
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