Blue Nile Glossary
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Index
 
 
  Irritant:  
  The small parasite or particle that stimulates the growth of a pearl. The irritant can occur naturally or, as in the case of cultured pearls, the irritant can be manually inserted to initiate pearl growth.

See also: Pearl Education, Nacre.

 

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