How to distinguish the pearls cultured pearls

There are different types of pearls on the market today. Pearls can be divided into two categories, cultured pearls and pearl. Only a brief history of these two kinds of precious stones. production of cultured pearls is human intervention, while the pure natural pearl is produced by nature. That is why natural pearls are more valuable and rarer than those that have grown out of, as they are produced. But with all the pearls sold on the market all the creatures in the world, how do we know whether a pearl is cultivated or natural?
One way to determine whether there is a pearl or cultured pearl is the observance of the thickness of the nacre. Nacre is the substance to make beads. But how can you verify this? Here's how. Start a necklace of pearls on a white surface under a strong light. Pearl brighter, then darker as you turn. Another way to check whether a pearl or cultured pearl is candling. To do this, place the ball on the lens of the flashlight. Natural pearls will look like a black dot near the Pearl shows the parallel stripes.Another management capabilities, and watch it. Beads that look like any other precious stone, probably not a natural gem.
Natural pearls are pearls are special because it's natural. It is a unique and very useful if you happen to have a gem of nature, or, if you're lucky, they stopped at a very good deal. This is a gift of Mother Nature, and would like to take care of.