Facts About Iron and Gadolinium
Interesting Facts
- Iron is not always magnetic in nature, its allotrope are ferromagnetic and the B allotrope is nonmagnetic.
- The blood consists Iron in hemoglobin molecules to transfer Oxygen in the body.
  
- 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
  
Found in Minerals, Mining
  
History
  
  
Who Discovered
Unknown
  
Jean Charles Galissard de Marignac
  
Discovery
Before 5000 BC
  
In 1880
  
Abundance
  
  
Abundance In Universe
1.1 * 10-1 %
  
1
Abundance In Sun
~0.0000002 %
  
25
Abundance In Earth's Crust
Abundance In Humans
Not Available