Facts About Lutetium and Hafnium
Interesting Facts
- Metal dust of Lutetium element is highly explosive.
- Lutetium metal is corrosion resistance and acts stable in air.
  
- Hafnium metal is highly reactive, hence not found free in nature.
- Hafnium metal as predicated after Mendeleev finished his periodic table.
  
Sources
Found in Minerals, Mining, Ores of Minerals
  
By-product Zirconium Refining
  
History
  
  
Who Discovered
Georges Urbain and Carl Auer von Welsbach
  
Dirk Coster and George de Hevesy
  
Discovery
In 1906
  
In 1922
  
Abundance
  
  
Abundance In Sun
~0.0000001 %
  
26
~0.0000001 %
  
26
Abundance In Earth's Crust