Please tell me about pearls. Where are they found?

Of course , I ' d be happy to help ! Pear ls are beautiful and valuable g ems that are formed inside certain types of m oll us ks , such as o yst ers and muss els . These m oll us ks produce p ear ls as a natural defense mechanism against ir rit ants , such as sand or par as ites , that enter their shell s . \n P ear ls are found in various parts of the world , including the Pers ian G ulf , the South Pacific , and the Indian Ocean . Some of the most famous and valuable p ear l - produ cing regions include : \n 1 . The Pers ian G ulf : This region is known for producing high - quality , large p ear ls , particularly in the waters of Bah rain , Iran , and the United Arab Em ir ates . \n 2 . The South Pacific : Count ries such as Australia , New Zealand , and French Pol yn esia are known for their high - quality p ear l far ms , which produce a wide range of p ear l sizes and colors . \n 3 . The Indian Ocean : Count ries such as Indones ia , Sri L anka , and Mad agas car are known for producing large , high - quality p ear ls in sh ades of white , gray , and black . \n It ' s worth not ing that natural p ear ls , which are formed without any human inter vention , are extremely rare and highly val ued . Most p ear ls used in j ew el ry are cult ured p ear ls , which are formed through a process of deliber ately introdu cing an ir rit ant into a m oll usk to stim ulate the production of n acre and the formation of a p ear l . \n I hope this information helps ! Let me know if you have any other questions . </s>