pitchblende

• Minéral composé principalement d'oxyde d'uranium, contenant souvent des traces de radium, de thorium, de polonium, de plomb et d'hélium ; c'est la forme massive de l'uraninite, principale source de minerai d'uranium.

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

indénombrable

1. Uranium oreC2formalscientific

   A black, dense, radioactive mineral composed mainly of uranium oxide, often containing trace amounts of radium, thorium, polonium, lead, and helium. It is the primary ore of uranium.

   Pechblende (minerai d'uranium)

   • Pitchblende was the mineral in which Marie Curie discovered radium.
   • The miners extracted pitchblende from the deep underground tunnels.
   • Scientists analyzed the pitchblende sample for its radioactive properties.

   Synonymesuraninite