Facts About Lanthanum and Ruthenium
Interesting Facts
- Lanthanum metal is highly malleable, ductile and sectile.
- If exposed to air Lanthanum metal oxidizes rapidly.
  
- Ruthenium element has been extracted from used nuclear fuel.
- Ruthenium metal also produces as a by-product of the Nickel mining.
  
Sources
Found in Minerals, Mining, Ores of Minerals
  
By-product of Nickel Refining, Found in Minerals, Mining
  
History
  
  
Who Discovered
Carl Gustaf Mosander
  
Karl Ernst Claus
  
Discovery
In 1838
  
In 1844
  
Abundance
  
  
Abundance In Sun
~0.0000002 %
  
25
~0.0000005 %
  
22
Abundance In Earth's Crust