uraninite

• Minéral composé principalement d'oxyde d'uranium, contenant souvent des traces de radium, thorium, polonium, plomb et hélium ; sous forme massive, il est connu sous le nom de pechblende et constitue le principal minerai d'uranium.

A mineral composed primarily of uranium oxide, often containing trace amounts of radium, thorium, polonium, lead, and helium; in its massive form it is known as pitchblende and serves as the chief ore of uranium.

1. Uranium ore mineralC2formalscientific

   A dense, radioactive mineral composed primarily of uranium dioxide, often containing trace amounts of radium, thorium, polonium, lead, and helium. In its massive, non-crystalline form, it is known as pitchblende and is the primary source of uranium.

   uraninite

   • Uraninite is the most important ore for extracting uranium.
   • The geologist identified the black, heavy sample as uraninite.
   • Pitchblende, a variety of uraninite, was used by Marie Curie in her experiments.

   Synonymespitchblende