Facts About Promethium and Gadolinium
Interesting Facts
- Promethium metal found in Pitchblende.
- Promethium metal is highly radioactive metal.
  
- Gadolinium is not found free in nature, hence it is not a native metal.
- Gadolinium metal found in minerals like Monazite and Bastnaesite.
  
Sources
Found in Minerals, Mining
  
Found in Minerals, Mining
  
History
  
  
Who Discovered
Chien Shiung Wu, Emilio Segrè, Hans Bethe
  
Jean Charles Galissard de Marignac
  
Discovery
In 1942
  
In 1880
  
Abundance
  
  
Abundance In Universe
Not Available
  
Abundance In Sun
~-9999 %
  
~0.0000002 %
  
25
Abundance In Meteorites
Not Available
  
Abundance In Earth's Crust
Not Available
  
Abundance In Oceans
Not Available