Types Of Pearls Pictures

The history of freshwater pearl cultivation can be traced back to the 13th century when the earliest blister pearls were.

Types of pearls pictures.

They are also known as blister pearls or half pearls. Mabe pearls are categorized according to how they are grown and are not a type in itself like the keshi pearl. Other types of pearls called blue comes from the abalone which is technically a large snail of the genus haliotis. In reaction the mollusc begins to produce layers of nacre around the irritant.

Freshwater pearls are commonly grown inside the hyriopsis cumingii mollusc also known as the triangle mussel in rivers lakes or ponds. Those produced in fresh water and those grown in salt water. In natural pearls the irritant generally comes from the water its surrounded by while in cultured pearls a piece of tissue is inserted by people. Many customers think of white or cream colored akoyas as the classic pearl used for jewelry especially single strand necklaces.

Akoya cultured pearls are the most familiar type of saltwater cultured pearl to most people in the u s and other western markets. Pearls are formed when irritants like sand for instance finds its way into the shell of a mollusc. There are four major types of cultured whole pearls. Pearl types can generally be divided into two major categories.

Size large pearls are extremely rare and with sizes up to 20mm south sea pearls stand out from all the other types of pearls. One of the types of blue pearls comes from the silver lip oyster when there is a contaminant either in the nacre or between the nacre and the shell bead.