Understanding black pearls

Do you like black pearls? I simply love them. Why? Well, truly black pearls are extremely rare. Black pearls are produced from black-lipped oyster Pinctada margaritifera. It means that Pinctada is genus and margaritifera is species. Black pearls are produced by gigantic blackclipped oysters, which are scientifically named as pinctada margaritafera. This type of oysters […]