Facts About Terbium and Osmium
Interesting Facts
- At times Terbium metal acts same as Calcium.
- Terbium metal closely similar to Lanthanum metal.
  
- Osmium metal does not oxidize in air unless it is heated.
- But if it heated den it forms Osmium Tetroxide, which is highly toxic.
  
Sources
Found in Minerals, Found with Other Rare Earth Metals, Mining, Ores of Minerals
  
Found As a By-product, Found in Minerals, Mining
  
History
  
  
Who Discovered
Carl Gustaf Mosander
  
Smithson Tennant
  
Discovery
In 1842
  
In 1803
  
Abundance
  
  
Abundance In Sun
~0.00000001 %
  
29
~0.0000002 %
  
25
Abundance In Earth's Crust
Abundance In Oceans
Not Available