Facts About Iridium and Terbium
Interesting Facts
- Iridium element occurs as natural alloys of Platinum and Osmium.
- Iridium element is known as the most corrosion resistance metal .
  
- At times Terbium metal acts same as Calcium.
- Terbium metal closely similar to Lanthanum metal.
  
Sources
Found in Minerals, Mining, Ores of Minerals
  
Found in Minerals, Found with Other Rare Earth Metals, Mining, Ores of Minerals
  
History
  
  
Who Discovered
Smithson Tennant
  
Carl Gustaf Mosander
  
Discovery
In 1803
  
In 1842
  
Abundance
  
  
Abundance In Sun
~0.0000002 %
  
25
~0.00000001 %
  
29
Abundance In Earth's Crust
Abundance In Oceans
Not Available