Facts About Dysprosium and Thulium
Interesting Facts
- Dysprosium acts stable in air at room temperature.
- Dysprosium behaves very much like paramagnetic metal.
  
- Thulium metal can resist corrosion due to dry air .
- Only Tm-169 isotope of Thulium metal occur naturally.
  
Sources
Found in Minerals, Mining, Ores of Minerals
  
Found in Minerals, Mining, Ores of Minerals
  
History
  
  
Who Discovered
Lecoq de Boisbaudran
  
Per Teodor Cleve
  
Discovery
In 1886
  
In 1879
  
Abundance
  
  
Abundance In Sun
~0.0000002 %
  
25
~0.00000002 %
  
28
Abundance In Earth's Crust