英语词汇“walpurgite”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

walpurgite

释义

walpurgite Min.|ˈvælpəgaɪt|
[ad. G. walpurgin (A. Weisbach 1871, in Neues Jahrb. f. Mineral., etc. 870), f. Walpurgis, name of the vein in a mine near Schneeberg in Germany where the first specimen was found: see -ite¹.]
A hydrous arsenate of bismuth and uranium found as yellow, translucent or transparent triclinic crystals.
1872G. J. Brush in J. D. Dana Syst. Min. (ed. 5) App. i. 16 Walpurgite.1958Bull. U.S. Geol. Survey No. 1064. 242 Walpurgite is a secondary mineral, found in the oxidized zone of a vein carrying uraninite, cobalt and nickel arsenides, and native bismuth from which the U, Bi, and As content of the mineral has been derived.

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