英语词汇“thoreaulite”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	thoreaulite
释义	thoreaulite Min.\|ˈθɒrəʊlaɪt\| [a. F. thoreaulite (H. Buttgenbach 1933, in Bull. Soc. géol. Belgique LVI. 328), f. the name of J. Thoreau, 20th-c. Belgian geologist: see -ite¹.] A monoclinic oxide of tin and tantalum, SnTa₂O₆, found as rough brown prismatic crystals that are transparent in thin splinters. 1934Chem. Abstr. XXVIII. 6658 Thoreaulite (new) is monoclinic with high n and birefringence.1959Mineral. Abstr. XIV. 107/1 Two flat veins break off from the north of the dyke of pegmatite at Manono (Katanga)... The heavy minerals are: cassiterite, tantalo-columbite, thoreaulite, löllingite, pyrite, galena.1974Amer. Mineralogist LIX. 1036/1 It is necessary to justify the choice of SnTa₂O₆ as the ideal composition of thoreaulite, since the ideal formula is usually given as SnTa₂O₇.
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