Help make Alexa smarter on Alexa Answers. Sign in with Amazon

Science

How is a pearl made?


Pearls are made by marine oysters and freshwater mussels as a natural defence against an irritant such as a parasite entering their shell or damage to their fragile body. The oyster or mussel slowly secretes layers of aragonite and conchiolin, materials that also make up its shell.

{{ relativeTimeResolver(1658847177533) }}

LIVE
Points points 29
Rating

Similar Questions
Sign in to view all similar questions
Science 1 Answer
Science 1 Answer

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE