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Goa Natural pearls

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Natural pearls are formed when a foreign body touches such as a grain of sand or parasite lodges itself into the soft tissue of the pearl oyster or pearl mussel, since the oyster cannot get rid of the irritant it protects itself by secreting nacreous substance that gets deposited over the foreign body thus forming a pearl. The core or nucleus of natural pearls is minute with a fairly thick crystalline pearl nacre. Generally a natural pearl is small in size and is regular in shape. The surface of a natural pearl gives a rough feeling which is due to the edges of the overlapping crystals of aragonite. This is a very useful character in determining the genuineness of a natural pearl.

 

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