External object

Freshwater pearls again in a wider range of colors and shapes than their saltwater counterparts. You can find them in white, cream, champagne, to see the color pink and orange, violet, purple, black and brown. Their shapes take into oval egg-shaped, button-shaped, and a tear. flawless round, large freshwater pearls almost non-existent. Another variety of sea pearls, freshwater pearl mussel can be as much as 60 per year, pearl oyster much higher than the production of salt water. natural freshwater pearl mussels occur for the same reason that sea pearls occur in oysters.

External object, like a tiny grain of sand or parasite, comes in shellfish and can not be eliminated. To remove the irritation, mollusks coat called a hacker with the secretion construct the reservoir, mother of pearl. Reduction in freshwater cultured pearl production, ordinary workers, mussel shells from each other and small cracks in the layer of tissue in both rounds. Then they drive away small pieces of tissue from another mussel into crevices. That's enough to begin producing nacre. Most freshwater cultured pearls wish pearl gift
are composed entirely of nacre, as well as their natural counterparts.

Freshwater pearl culture in Japan started. Having experienced success with the culture of the sea pearls, Japanese pearl fresh water in Lake Biwa. Early crops are swimming in 1930. Biwa pearls are all presented in colors never seen a sea pearls. Luminescence and depth coordinated nature sounds brilliant. In fact, until recently, all freshwater pearls Biwas said, "no matter where they came from. Japan dominated the market.

Although you still hear people talk about how to Biwa pearls, freshwater pearl production today is mainly from China. Production is completed in the Lake Biwa due to pollution and excessive harvesting. In 1994, wish pearl cage pendant the Japanese pearl farms "red tide" of an imminent influx of toxic microorganisms, which destroyed killed more than 150 million pearl production until 1996. Combined, the pearl of Chinese peasants for rivers and lakes with a large number of equally important work cheap. This change in the total transformation of the previously stable pearls, and the amount of savings for you customers.