The seas of Japan, are the source of the Akoya pearl. At the present time the frequency of the red tides and other plagues, together with the problems of the contamination that are generated in Japan, have taken to a decrease in the production of the pearl farms, going off the prices of this type of pearls, without quality improvement.

Some rivers of the South center of North America and the oceanic coast of the northwest of Mexico and California, are scenes where it is successfully beginning activities of culture of different pearl mussels.

Cultivated freshwater pearls suffer of stereotypes. Most of people, when hears about "freshwater perls" ; thinks about which is commercially called "rice grain pearl" These cheap pearls were produced massively in fresh waters in the Eighties. The fashionable use of this type of pearls happened back then, and the freshwater farmers were themselves led to a deep crisis that motivated them to improve their techniques, obtaining a progressive and drastic increase of quality, that at the moment equals and surpasses some types of salt water cultives. +BACK