Facts About Neodymium and Thulium
Interesting Facts
- Neodymium is not found free in nature, hence it is not a native metal.
- Neodymium metal found in minerals like Monazite and Bastnaesite.
  
- Thulium metal can resist corrosion due to dry air .
- Only Tm-169 isotope of Thulium metal occur naturally.
  
Sources
Found in Minerals, Mining
  
Found in Minerals, Mining, Ores of Minerals
  
History
  
  
Who Discovered
Carl Auer von Welsbach
  
Per Teodor Cleve
  
Discovery
In 1885
  
In 1879
  
Abundance
  
  
Abundance In Sun
~0.0000003 %
  
24
~0.00000002 %
  
28
Abundance In Earth's Crust