pearls?

What do you know about pearls?

What do you know about pearls?

A pearl is formed when a foreign object gets into the mantle of a mollusk. Cultured pearls are probably easier to match, but natural pearls are more valuable. For the cultured variety, pearl farmers keep the special oysters in confinement. Foreign objects are purposefully entered into the mantle and the process of encystation begins and … Read more