Facts About Iridium and Niobium
Interesting Facts
- Iridium element occurs as natural alloys of Platinum and Osmium.
- Iridium element is known as the most corrosion resistance metal .
  
- Niobium metal was used to get called Columbium in past.
- Niobium metal found freely in nature (abundance).
  
Sources
Found in Minerals, Mining, Ores of Minerals
  
By-product of Tin Extraction, Found in Minerals, Mining, Ores of Minerals
  
History
  
  
Who Discovered
Smithson Tennant
  
Charles Hatchett
  
Discovery
In 1803
  
In 1801
  
Abundance
  
  
Abundance In Sun
~0.0000002 %
  
25
~0.0000004 %
  
23
Abundance In Earth's Crust
Abundance In Oceans
Not Available