bastnaesite

• Minéral jaune-brun, important source d'éléments des terres rares, composé de fluorocarbonate de cérium et d'autres lanthanides.

A yellow-to-brown mineral that serves as a significant source of rare earth elements.

1. Rare earth mineralC2formalscientific

   A yellow-to-brown mineral composed of rare earth fluorocarbonates, primarily a source of cerium, lanthanum, and neodymium.

   Bastnaésite

   • Bastnaesite is mined extensively in China for rare earth elements.
   • The mineral's yellow-brown color helps geologists identify it in the field.
   • Refining bastnaesite yields valuable metals used in electronics and magnets.

   Synonymesbastnasite