uraninite

Noun
  1. 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 (synset 115109112)
    is a type of: uranium ore - any ore from which uranium can be extracted
    substance holonym: atomic number 92, u, uranium - a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons
    same as: pitchblende

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