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Facts About Thorium and Neodymium


Facts About Neodymium 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.
  
  • Neodymium is not found free in nature, hence it is not a native metal.
  • Neodymium metal found in minerals like Monazite and Bastnaesite.
  

Sources
Found in Minerals, Mining   
Found in Minerals, Mining   

History
  
  

Who Discovered
Jöns Jakob Berzelius   
Carl Auer von Welsbach   

Discovery
In 1829   
In 1885   

Abundance
  
  

Abundance In Universe
3 * 10-4 %   
9
1 * 10-6 %   
16

Abundance In Sun
~0.0004 %   
9
~0.0000003 %   
24

Abundance In Meteorites
0.05 %   
11
0.00 %   
30

Abundance In Earth's Crust
0.66 %   
7
0.00 %   
20

Abundance In Oceans
0.00 %   
15
0.00 %   
30

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