Facts About Osmium and Terbium
Interesting Facts
- Osmium metal does not oxidize in air unless it is heated.
- But if it heated den it forms Osmium Tetroxide, which is highly toxic.
  
- At times Terbium metal acts same as Calcium.
- Terbium metal closely similar to Lanthanum metal.
  
Sources
Found As a By-product, Found in Minerals, Mining
  
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