Within the wide range of pearls that there are two that stand out for all his popularity. The natural pearl, taken from the mother oysters that are formed when a strange particle, is housed between the mollusk's shell and its inner part. This particular center is located in the nucleus of the pearl, whose inner part secretes a substance called Nacre, or mother of pearl which covers the object, creating multiple layers concentrated around the nucleus. Pearl, either natural or cultivated, it takes the form of core and successive layers are those that determine its brightness. Moreover, we find the freshwater cultured pearls or freshwater ... is obtained from a freshwater mollusk, they can play at once 3 or 4 different pearls for a time of 3 to 8 years.
Many are less lustrous cultured pearls that salt water but the low price, it shape and color made them popular jewelry items in recent years.
