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How to maintain the turquoise
Turquoise is a complex compound of copper, aluminum and phosphate mineral, so the transparent and sky blue is representative color of turquoise. Certainly the turquoise also has other kinds of color, like light blue, blue-green, green, light green, yellowish green, gray-green, pale and so on, the general rigidity is five to six, under the ultraviolet ray illumination, turquoise will send out fluorescence which gradually range from light green to blue. Because the texture of the turquoise is not uniform, the depth of the color is also different. Some varieties contain tinted stripe or spots. Moreover, the degree of it’s density has much difference, the one which has more interspaces will present loose state. On the contrary, the one which has less interspaces will present hard state. The fine turquoise when is polished looks like a glazed china, it has the name of “porcelain loose rock”.
A disadvantage of the turquoise is when heated or approached to the heating, it will fade easily, the strong acid corrosion will also change the color, so the turquoise collection friend should pay attention to its maintenance, avoid meeting heat or acid, or that will damage the color of the turquoise. In addition, for the low degree of hardness turquoise, if the interspaces grow better, the characteristics of hygroscopicity and the fragility will have more. The external factor such as the greasy dirt, the sweat stains, the tea that is not easy to dispel will sink into the interspaces, it is difficult to deal with. So for this kind of turquoise , must be careful when storage it. Meanwhile, the turquoise is a kind of pampered jade, no matter machining, wearing, use, collecting, must treasure and maintain it carefully.
In a word, keep the turquoise clean and pay attention to the depositing environment , without heating and strong acid , avoid force collision, will keep its beautiful luster and nature.
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