Pearl Factory:

The breeding of pearl has got 1700 years history in China. Nearly 95% freshwater pearls and 85% seawater pearls are form China.
    Pearl is a kind of gem from the cham. The clam that can cultivate pearl is called pearl cham. It was said, there were thousands kinds of clams in the world, but only such kind of oyster can create higt-qualified pearls, triangular clam.
    There are many nature circles on the oyster. One circle means on year.
    Nature peals have different colors. That's because they absorb different minerals from the water. Such as white pearls absorb calcium pink pearls absorb copper, if they absorb iron the color will be purple or black. And also, the more minerals they absorb. The darker the color is usually the color might be gray silver. Golden color etc. White with roseate hued is better. Blue mixed black with the luster of the metal color is consider, as the best. The main element of pearl is calcium carbonate.
    Freshwater pearl get a uniform structure from inside to outside so they never fade color.
    Pearls were divided into freshwater pearls and seawater pearl, freshwater pearls live in freshwater lakes which depth is about meter the pearls have not stone inside. Seawater pearls live in the shallow sea in the tropics or subtropics. In general seawater pearls are rounder and more lustrous. Freshwater pearls usually very irregular in shape It is hard to get a round one. Most of them are flat semicircle and rice shape but they get many different colors.

How to distinguish the false pearl from the real one?
    When we choose pearls because luster takers up 40% in value shape takes up 30% and size takes up 20% at last the color it takes up 10%.
    But how to distinguish the false pearl from the real one we can just rub the peal by our teeth if you feel sandy taste very gritty that will be a real pearl if it is very smooth it is will be an artificial one.
    Normally we can only discover 1-2 8mm pearls among 100 pearls so they are very valuable. Recenty, at the marker of Hongkong, an 18.5mm black pearl was auctioned at $70000 big round and black pearls are usually single sold.
    Pearls are the symbol of power happiness and good luck, it is also the lucky stone of June so they are the best ornaments for ladies.