Facts About Thulium and Samarium
Interesting Facts
- Thulium metal can resist corrosion due to dry air .
- Only Tm-169 isotope of Thulium metal occur naturally.
  
- Samarium metals helps stimulating body metabolism.
- Samarium metals was 1st observed by Jean Charles Galissard de Marignac in Dydimia in 1853.
  
Sources
Found in Minerals, Mining, Ores of Minerals
  
Found in Minerals, Mining, Ores of Minerals
  
History
  
  
Who Discovered
Per Teodor Cleve
  
Lecoq de Boisbaudran
  
Discovery
In 1879
  
In 1879
  
Abundance
  
  
Abundance In Sun
~0.00000002 %
  
28
~0.0000001 %
  
26
Abundance In Earth's Crust