Facts About Hafnium and Gallium
Interesting Facts
- Hafnium metal is highly reactive, hence not found free in nature.
- Hafnium metal as predicated after Mendeleev finished his periodic table.
  
- A gram of Gallium metal can be bought for only three dollars.
- Gallium metal found in ores of following things Coal, Bauxite, Diaspore, Sphalerite, Germanite and Zinc.
  
Sources
By-product Zirconium Refining
  
Earth's crust, Found in Minerals, Mining, Ores of Minerals
  
History
  
  
Who Discovered
Dirk Coster and George de Hevesy
  
Lecoq de Boisbaudran
  
Discovery
In 1922
  
In 1875
  
Abundance
  
  
Abundance In Sun
~0.0000001 %
  
26
~0.000004 %
  
16
Abundance In Earth's Crust