Facts About Thulium and Iridium
Interesting Facts
- Thulium metal can resist corrosion due to dry air .
- Only Tm-169 isotope of Thulium metal occur naturally.
  
- Iridium element occurs as natural alloys of Platinum and Osmium.
- Iridium element is known as the most corrosion resistance metal .
  
Sources
Found in Minerals, Mining, Ores of Minerals
  
Found in Minerals, Mining, Ores of Minerals
  
History
  
  
Who Discovered
Per Teodor Cleve
  
Smithson Tennant
  
Discovery
In 1879
  
In 1803
  
Abundance
  
  
Abundance In Sun
~0.00000002 %
  
28
~0.0000002 %
  
25
Abundance In Earth's Crust
Abundance In Oceans
Not Available