Turquoise alias "Turkish Jade", the English name is Turquoise, because turquoise is a combination of copper and aluminum phosphate minerals, so it is the most representative color with opaque azure blue. Of course, there are also light blue, blue-green, green, light green, yellow-green, gray-green, pale and other colors. Its general hardness is 5~6, and under ultraviolet light, it will emit light green and gradually over-to-blue fluorescence. Because the texture of turquoise is not very uniform, its color is different, and some varieties will contain light stripes or spots. In addition, there is a big difference in the degree of compactness. The pores are mostly loose, and the dense ones are hard. The finest turquoise looks like a glazed porcelain after polishing, so it has the title of “porcelain turquoiseâ€.
One of the disadvantages of turquoise is that it tends to fade when heated or when it is heated. It will also change color when it is corroded by strong acid. Therefore, friends who collect turquoise should pay attention to its maintenance, avoiding the appearance of turquoise color due to heat or acid.
In addition, if the hardness of the turquoise is low, the better the pores develop, the more it has the characteristics of water absorption and friability. The pigments that are not easily removed by external factors such as oil stains, perspiration, and tea stains will enter the pores. Color stains that are difficult to clean. So in the face of this kind of turquoise, be careful about its storage environment. At the same time, turquoise is a more delicate jade variety, whether it is processing, wearing or using and collecting, you should be careful and care.
1. When wearing turquoise jewelry, it is best to keep a distance from cosmetics, perfumes, etc., so as not to damage gemstone jewelry.
2. Turquoise porosity, avoid using heavy liquid to measure density when identifying, because tribromomethane and diiodomethane will discolor the turquoise.
3. Turquoise color is delicate, afraid of pollution, should avoid contact with tea, soapy water, oil, rust and alcohol to prevent the pores from infiltrating into the gem.
4. Turquoise is afraid of high temperature, can not be directly fired and direct sunlight, so as to avoid fading, cracking, and cracking. Turquoise hardness is small, brittle, ringing against other hard objects, and should also be noticed when worn.
In short, as long as the turquoise is clean and its storage environment is not heated by high temperature, it will not be strong acid, avoid strong collision, and it will keep its color and natural for a long time.
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