How to test natural pearls

Pearls are regarded as the best friends of women. Fashionable ladies all choose pearls to enhance their beauty and elegance. They all think that pearl jewelry will never be out of fashion, especially the pearl necklace and pearl earrings.  However, most people become puzzled when they are faced with various pearls. They have no idea about how to test natural pearls. Here are the main tips.
Firstly, you can simply rub two pearls or run the pearls on your front teeth, cultured pearl and imitation pearls are more smoother than the natural ones. Natural pearls are rougher just because the special formation of them in the sea.
Secondly, you should test the interior part of the drill hole to identify the natural pearls. Natural pearls have many growth lines strongly and dark lines between the nucleus and nacre. In the contrary, the lines on the cultured pearls are closer to the edge and you can find them easily. However, in order to beautify the appearance of pearls, these lines are always been removed by bleach. Besides, you can also pick out the natural pearls by the drill hole.
Thirdly, you can hold the pearls in the strong light. Natural pearls will show the dack round smudge at their center parts. You can also touch the pearls with your skin. Natural pearls can give you a cool feeling.
Fourthly, examine the pearls in the dark light. Natural pearls are tan or yellow in color and the pearl color intensity varys slightly in the surfaces. This is also an effective way to distinguish the pearls by your eyes.
The fifth, you can also test the pearl luster, usually the natural pearls have the good and fine luster so that they look more smooth and beautiful.
The previous four steps can help you test the natural pearls and pick out them from the cultured and fake ones. Many people show their preference to the natural pearls. In this case, mastering the basic ways to test the natural pearls is necessary and essential.