“thorianite”的英文意思_释义_用法

单词

thorianite

释义

thorianite Min.|ˈθɔərɪənaɪt|
[f. *thorian (f. thoria) + -ite¹ 2 b.]
A mineral consisting chiefly of the oxides of thorium, uranium, and other rare metals, found in 1904 in the south-west of Ceylon, in small brownish-black crystals having a resinous lustre; a variety of pitch-blende.
1904Dunstan in Nature 31 Mar. 510 This mineral appears to be new, and I suggest for it the name of thorianite.1907Daily Chron. 5 Jan. 2/5 The discovery of deposits of the very valuable mineral thorianite, containing something like 80 per cent. of the rare earth thoria, which is used in the manufacture of incandescent gas mantles.

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