Facts About Ruthenium and Calcium
Interesting Facts
- Ruthenium element has been extracted from used nuclear fuel.
- Ruthenium metal also produces as a by-product of the Nickel mining.
  
- Calcium ranks 5th rank in the list of earth’s abundance Percentage.
- It is found in the compound state.
- Gypsum or calcium sulfate is used as plaster and plaster of paris.
  
Sources
By-product of Nickel Refining, Found in Minerals, Mining
  
Earth's crust, Found in Minerals, Mining, Ores of Minerals
  
History
  
  
Who Discovered
Karl Ernst Claus
  
Humphry Davy
  
Discovery
In 1844
  
In 1808
  
Abundance
  
  
Abundance In Sun
~0.0000005 %
  
22
Abundance In Earth's Crust
Abundance In Humans
Not Available