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Curious “factory” Pearl

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What are the pearls and where they come from? Well, I think that everyone would know that. We know that divers can dive into the deep sea to collect clams with pearls inside. And many people believe that pearls are achieved only in this way … through inhuman efforts.

Natural pearls are formed when a foreign body or a parasite penetrates inside a mollusk, causing irritation. To defend himself, the shellfish form a bag and begins to surround the invading object with layer after layer.

In fact, most of the pearls in the world is produced in a completely different way. Not have to dive to collect tens of meters and hundreds of mollusks, including, perhaps, are a pair of shells with pearls. In many countries, the pearls are cultivated and “potatoes” in special camps.

Here are some pictures of this curious process.

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Pearl farming in a variety of shellfish are used. Over a period of time, sometimes only small pearls are formed, but in others a pearl of great proportions. In addition, depending on the type of seafood, pearls can be with different shades: yellow, green, black and even blue. Blue pearls are very rare and have a very high cost.

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