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Facts About Thorium and Holmium


Facts About Holmium 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.
  
  • Holmium metal is very soft and malleable.
  • Holmium metal is well known for its corrosion resistivity.
  

Sources
Found in Minerals, Mining   
Found in Minerals, Mining, Ores of Minerals   

History
  
  

Who Discovered
Jöns Jakob Berzelius   
Marc Delafontaine   

Discovery
In 1829   
In 1878   

Abundance
  
  

Abundance In Universe
3 * 10-4 %   
9
5 * 10-8 %   
27

Abundance In Sun
~0.0004 %   
9
~-9999 %   

Abundance In Meteorites
0.05 %   
11
0.00 %   
99+

Abundance In Earth's Crust
0.66 %   
7
0.00 %   
38

Abundance In Oceans
0.00 %   
15
0.00 %   
99+

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