Facts About Erbium and Praseodymium
Interesting Facts
- Erbium metal is used as alloyed with Vanadium to make it softer.
- Recent studies shows that it is helpful for metabolism.
  
- Praseodymium metal is synthetically produced metal.
- Praseodymium is used as possible fuel for radioactive generators.
  
Sources
Mining
  
Found in Minerals, Mining, Ores of Minerals
  
History
  
  
Who Discovered
Carl Gustaf Mosander
  
Not Available
  
Discovery
In 1842
  
In 1885
  
Abundance
  
  
Abundance In Sun
~0.0000001 %
  
26
~0.0000001 %
  
26
Abundance In Earth's Crust