How To Identify Real VS Fake Pearls - Pearl Factory Shanghai скачать в хорошем качестве

How To Identify Real VS Fake Pearls - Pearl Factory Shanghai

Pearls are beautiful and can be used in jewelry to make stunning creations. But how much do we actually know about them? Apparently there are as many as 17 different types of pearls and these fall into three main categories – natural, cultured and imitation.The most valuable pearls are perfectly symmetrical, relatively large and produced naturally. They shine and shimmer and have an iridescence known as orient lustre. The main oyster beds lie in the Persian Gulf, along the coasts of India and Sri Lanka, and in the Red Sea. Chinese pearls come mainly from freshwater rivers and ponds, whereas Japanese pearls are found near the coast in salt water. Cultured pearls as the name suggests are cultivated by human intervention. Foreign material serving the same purpose as the irritant in natural pearls, is implanted inside the mollusc. It takes 2 – 4 years for the pearls to be created in saltwater and 2 – 7 years for freshwater pearls. Imitation pearls are man-made objects designed to look like real pearls. They can be made from a variety of materials including glass, plastic and even small pieces of mollusc shell and a number of methods are used. Coating beads with a pearlescent type substance helps to imitate the iridescence of nacre. However they can easily be identified as imitation as they lose their lustre very quickly. They are of no monetary value.