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Facts About Thorium and Gadolinium


Facts About Gadolinium and Thorium


Facts

Interesting Facts
  • Thorium metal is used as an alternate option over Uranium for nuclear fuel.
  • Thorium metals appearance (silvery white, soft) is somewhat similar to Lead 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
Jöns Jakob Berzelius   
Jean Charles Galissard de Marignac   

Discovery
In 1829   
In 1880   

Abundance
  
  

Abundance In Universe
3 * 10-4 %   
9
2 * 10-7 %   
22

Abundance In Sun
~0.0004 %   
9
~0.0000002 %   
25

Abundance In Meteorites
0.05 %   
11
0.00 %   
34

Abundance In Earth's Crust
0.66 %   
7
0.00 %   
30

Abundance In Oceans
0.00 %   
15
0.00 %   
38

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