英语词汇“nováčekite”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	nováčekite
释义	nováčekite Min.\|nəʊˈvɑːtʃəkaɪt\| Also novacekite. [f. the name of Radim Nováček (see quot. 1951) + -ite¹.] A hydrated oxide and arsenate of magnesium and uranium, Mg(UO₂)₂(AsO₄)₂.12H₂O, which is a member of the autunite group and is found as yellow, tetragonal crystals. 1951C. Frondel in Amer. Mineralogist XXXVI. 682 In the course of examination of a small suite of secondary uranium minerals from Schneeberg, Saxony,..two specimens were found of a mineral that has proved to be a new hydrated magnesium uranyl arsenate member of the autunite group. The name novacekite is proposed for this species after the Czech mineralogist Radim Nováček (1905—1942), who made important contributions to the knowledge of the mineralogy of uranium.1956Ibid. XLI. 152 (heading) Novacekite from the Wichita Mountains, Oklahoma.1965G. J. Williams Econ. Geol. N.Z. xiii. 206/2 The novacekite-like secondary uranium mineral is consistent with the presence of arsenopyrite.1971Mineral. Abstr. XXII. 226/2 Localities are mentioned for..nováčekite, especially in NE Brazil.
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