Fresh Water Pearl

 Naturally formed pearls When a foreign object enters Located between the membrane and shell. While the pearl oyster eats Causes irritation to the membranes. Shellfish must naturally protect themselves. By creating a layer of nacre. Cover foreign objects Therefore, pearls are foreign materials. That is covered with many layers of pearls from the natural way pearls are formed. Humans have thought of ways to speed up reactions. causing the production of artificial pearls the method for making artificial saltwater pearls is by opening the oyster shell. Then cut the membrane to create a slight slit. Then insert the foreign object. Making artificial freshwater pearls is easier. Just cut the membrane a little. It causes the secretion of substances that create a pearl layer. This artificial pearl is considered to be The quality is equal to natural pearls. But the price is lower because it is not difficult to find.