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The chemical formula of turquoise is complex. Because turquoise contains different chemical elements, the color of it will be different, mostly sky blue, light blue, green or pale green. Color of turquoise is the most important factor which affects the quality of turquoise. Turquoise, is also known as emerald. The reason for this name is because that turquoise has the similarity of pine cone, no matter in color or shape. Turquoise is one of the most valuable stones in the world. Because a large amount of turquoise are sold to European countries through Turkey, so it is also known as "Turkey jade." Nowadays, turquoise products are the important collections. Turquoise is one kind of secondary mineral from copper, aluminum and phosphorus. Actually, inside the turquoise is one kind of granite, after the eroding by the groundwater, the granite becomes a tubercular stone near the earth's surface, and then covered by the ore. Thousands of years later, it change to turquoise. So, turquoise is one of the earliest mineral which was used in a variety of accessories. Turquoise is also one kind of the spar, as a result, there is abstruse knowledge about how to wear a turquoise bracelet. Christians or Catholics need to wear in the left hands, if people are not the Christians or Catholics, they can wear in both the two hands and the effect will be the same. As one kind of spar, turquoise also needs degaussing. For the crystal collectors, they often use the sea salt or actinia for the degaussing. There are two methods suitable for degaussing, one is to put the turquoise into the mixture of sea salt and water, this kind of method will help you keep the effort for a month. Another method is to let the turquoise be covered directly by sea salt, this better method can last the effort for more than three months. Another material using for degaussing is known as actinia. The method of degaussing with actinia is fairly simple, you just need to put the turquoise into the centre of actinia, and it will come to an end automatically after 24 hours.
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