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| Image credit: Pixabay.com |
Have you ever seen the pearls in movies or somewhere, then you must know that the pearls are formed inside the oyster but do you know why do the pearls form? How the pearls are formed in oyster?
Let's know,
Pearls are the result of a biological process within living sea creatures like an oyster as it protects itself from foreign substances.
An oyster has two shells in it, inside this shells there is a organ called mantle. Mantle protects and covers all the internal organs of the oyster.
Whenever any foreign substance like a grain of sand or a parasite makes its way into the oyster. When it gets stuck in between the shell and mantle, the mantle's natural reaction is to cover that foreign substance to protect the internal organs of oyster.
For this process mantle secretes a mineral called nacre around the foreign substance in layers. Over time, various layers of nacre over each other leads to the formation of pearl.
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