单词 | hydrotungstite |
释义 | > as lemmashydrotungstite hydrotungstite n. Brit. /ˌhʌɪdrə(ʊ)ˈtʌŋstʌɪt/ , U.S. /ˌhaɪdroʊˈtəŋˌstaɪt/ Mineralogy a hydrated tungstic acid, H2WO4.H2O, occurring as minute green tabular crystals.ΘΚΠ the world > the earth > minerals > types of mineral > tungstates and molybdates > [noun] > wolframite group wolfram1757 wolframine1854 hübnerite1867 ferberite1868 megabasite1868 wolframite1868 wolfram-ochre1868 manganowolframite1896 hydrotungstite1940 1940 Kerr & Young in Program & Abstr. 21st Ann. Meeting Min. Soc. Amer. 9 Since this mineral appears to be an intermediate product in the alteration of ferberite to tungstite and since it resembles tungstite in many of its physical properties, the name hydrotungstite is suggested. 1963 Amer. Mineralogist 48 935 A similarity between the x-ray patterns for hydrotungstite (tungstic acid, H2WO4.H2O) and molybdic acid (H2MoO4.H2O). < as lemmas |
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