You are probably aware that real pearls are very valuable. Pearls are formed in clams, mussels and oysters, and can be found in many different parts of the world. However, not all pearls are created equally. While most pearls are white, they do come in other different colors: yellow, green, blue, brown, or black. The most expensive pearls are the ones that are perfectly rounded; those are also the rarest, of course. Every woman likes pearls, so imagine this woman’s excitement when she found not one, but several pearls inside a giant clam. In fact, you don’t have to imagine it, you can just take a look: