Facts About Barium and Gadolinium
Interesting Facts
- Barium oxidizes very easily in the air.
- All toxic compounds of Barium can easily dissolve in water.
- Barium carbonate is used to produce a Rat poison and its other compound Barium nitrate is used in fireworks to produce green color.
  
- Gadolinium is not found free in nature, hence it is not a native metal.
- Gadolinium metal found in minerals like Monazite and Bastnaesite.
  
Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals
  
Found in Minerals, Mining
  
History
  
  
Who Discovered
Carl Wilhelm Scheele
  
Jean Charles Galissard de Marignac
  
Discovery
In 1772
  
In 1880
  
Abundance
  
  
Abundance In Sun
~0.000001 %
  
18
~0.0000002 %
  
25
Abundance In Earth's Crust
Abundance In Humans
Not Available