perl

Pearls are the only gemstones created by living organisms. They are formed inside the shells of oysters and other mollusks as a defense mechanism against irritants such as parasites or debris

Pearls are the only gemstones created by living organisms. They are formed inside the shells of oysters and other mollusks as a defense mechanism against irritants such as parasites or debris
https://imgur.com/a/kr13l5M

They are really amazing, the fact that they are produced by living organisms makes them more valuable
312 $DEGEN