The pearl is a gemstone.
The only gem selected by a living organism. The shell's quiet serenity radiates from it.
He is the stone of a sovereign, self-governing man who is disgusted by the crowd.
The naturally occurring variety is called true pearl, as distinct from cultured pearls. It is known that foreign matter in the shell, such as a grain of sand, has an irritant effect, which the shell protects by "sweating" a mineral called konhin and aragonite, which surrounds the foreign particle as a shell.
This is how the pearl is formed. The breeders artificially place the grain in the shell and then sink it back into the sea. The process of creating a pearl goes the same way as a real pearl. The difference reflected in the significant price difference is only that the number of layers of cultured pearls is less than that of true pearls and is therefore more brittle and less bright.