Facts About Strontium and Copper
Interesting Facts
- Strontium element is softer than Calcium.
- Silvery Strontium turns yellow, if exposed to air.
  
- 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
Found in Minerals, Mining, Ores of Minerals
  
Found in Minerals
  
History
  
  
Who Discovered
William Cruickshank
  
Unknown
  
Discovery
In 1787
  
In Middle East (9000 BCE)
  
Abundance
  
  
Abundance In Sun
~0.000005 %
  
15
Abundance In Earth's Crust