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

单词

steenstrupine

释义

steenstrupine Min.|ˈstiːnstruːpiːn|
[f. the name of Knud J. V. Steenstrup (1842–1913), Danish geologist + -ine⁵.]
A silicate and phosphate of rare-earth and other elements (chiefly cerium, sodium, calcium, iron, and manganese), found as dark brown or black rhombohedral crystals. Also (rare) ˈsteenstrupite.
1882J. Lorenzen in Mineral. Mag. V. 67 The analysis of this mineral has shown it to be a new species, and, as suggested by Prof. Johnstrup, I have therefore given it the name of Steenstrupine, after Mr. Steenstrup, who..first found the mineral.1901Meddelelser om Grønland XXIV. 204 The steenstrupite is found partly in pegmatitic veins and partly embedded in grained albite.1943Mineral. Abstr. VIII. 369 The unit-cell dimensions of steenstrupine..show a similarity to those of apatite.1977Jrnl. R. Soc. Arts CXXV. 406/2 The peralkaline nepheline syenites of Ilímaussaq in south Greenland, where the main mineral is steenstrupine (silicate and phosphate of rare earths, sodium, niobium, tantalum, thorium and uranium).

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