gum·mite /ˈgʌˌmaɪt/
  脂鉛鈾礦
  Gum·mite n.  Min. A yellow amorphous mineral, essentially a hydrated oxide of uranium derived from the alteration of uraninite.
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  gummite
       n : a gummy orange mixture of uranium oxides and silicates
           occurring naturally in the hydration and oxidation of
           pitchblende