It is said that there are black pearls in Chishui River. Black pearl is a kind of bronze pearl, which belongs to a very valuable jewelry variety. Symbolizing the crystallization of the most difficult years, it is called the most painful tear of the mother shell, which is precious after suffering. Before the black-core South Asian pearls were successfully put on the market, the only black pearls available for sale were rare and very expensive natural black pearls.

Characteristics of black pearls

Or faded Japanese nucleated akoya pearls, dyed black with silver nitrate, and a small amount of imitation black pearls. In the past 30 years, the pearl culture in French Polynesia has developed successfully. 1976 The American Gemmological Institute recognized the cultured black pearl produced in Tahiti as a cultured pearl with natural color.

There are only two main natural producing areas of black pearls: Tahiti Island in Polynesia, which produces 95% of the world's black pearls, and Penglin Island and Majusky Island in Cook Islands, which account for 4% of the total output. The output of other Pacific islands is less than 1%, and these two areas live together in the south-central Pacific Ocean, so they are also called black pearls.