单词 | megabasite |
释义 | megabasiten. Mineralogy. Now historical. = wolframite n. at wolfram n. Derivatives.The name was used because the mineral was thought to contain more basic matter than wolframite. 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 1868 J. D. Dana Syst. Mineral. (ed. 5) v. ii. 604 Megabasite. 1883 Encycl. Brit. XVI. 403/1 Megabasite, Mg4W3. Oblique prismatic; similar to wolframite. 1993 A. M. Clark Hey's Mineral Index (ed. 3) 442/1 Megabasite, syn. of wolframite. This entry has been updated (OED Third Edition, June 2001; most recently modified version published online March 2022). < n.1868 |
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