Pearls are the result of biological processes from shells that have a beautiful shape. Pearls are often used as beautiful jewelry. So far, the oysters known as pearl producers are oysters. There are five types of sea shells that are known as pearl producers. The following is a more detailed review of the pearl-producing shells that you can find.
Pinctada maxima, pearl oyster which includes a type of shell that does not have a head. Pearls produced by these shells are often hunted for jewelry so that P. maxima is a commodity with high economic value. These shells are often called silver gold lip pearl shells, while the pearls are called southern sea pearls or Indonesian pearls. P. maxima is the largest pearl oyster species.
Pearl oyster P. margaritifera is widespread in Indonesian waters and is one of the important species in the pearl industry. This shellfish is excellent in South Pacific countries because it is able to produce cream-colored pearls to black. In Indonesia, these oyster shells can be found in Sumbawa, North Bali, Belitung, the Sunda Strait, and South Sulawesi.
fucata or akoya pearl oyster is the first pearl produced by the Japanese. The color of pearls produced by this type of shell is wider or varied. The size of the pearl is relatively small, but the appearance is very shiny.
Akoya pearls have two poles connected by two fairly long straight hinges. The shell of this clam is fairly long and a little wide. Currently, akoya pearls are widely cultivated in Japan.
This clam is known as the penguin wing oyster. The name of this clam is taken from a plant that is in the Western and Central Indo Pacific. These shells are found on the coasts of East Africa and the Red Sea to India, South China, the Philippines, Australia, Southern Japan, and Indonesia.
Water pearl mussels including invertebrate animals. These clams live attached to the substrate and eat various types of plankton. This water pearl shell is widely cultivated in China, even the production volume can reach 95 percent of the pearl volume in the world. The price of this pearl shell is fairly cheap. You can find pearls produced by these freshwater mussels in Lombok and the Indonesian Pearl center.