Coral
Coral The name coral is derived from the Latin word "Corallium". The name can also be traced back to the Greek word "Korallion" which means hard skeleton. Coral belongs to the organic gemstone group, other well-known gemstones in this group include Amber and Pearl. It is made of calcium carbonate ( CaCO3 ) and [...]
 
											
				 
			 
			 
			 
			 
			 
			 
			 
			 
			 
			