ura·ni·nite /jʊˈrenəˌnaɪt/
瀝青鈾礦; 天然氧化鈾
ura·ni·nite /jʊˈrenəˌnaɪt/ 名詞
U·ran·i·nite n. Min. A mineral consisting chiefly of uranium oxide with some lead, thorium, etc., occurring in black octahedrons, also in masses with a pitchlike luster; pitchblende.
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uraninite
n : a mineral consisting of uranium oxide and trace amounts of
radium and thorium and polonium and lead and helium;
uraninite in massive form is called pitchblende which is
the chief uranium ore [syn: pitchblende]