Facts About Calcium and Copper
Interesting Facts
- 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.
  
- Copper rarely found in its pure form in nature.
- Copper Sulfate is mostly used in agricultural poison and as an algicide in water purification system.
  
Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals
  
Found in Minerals
  
History
  
  
Who Discovered
Humphry Davy
  
Unknown
  
Discovery
In 1808
  
In Middle East (9000 BCE)
  
Abundance
  
  
Abundance In Earth's Crust