Turquoise stones - natural and synthetic
Long ago people endowed with magical propertiesstones. Turquoise, for example, was used by people back in antiquity. The Persians considered it the remains of those people who died of passionate love. Tibetans attributed her divine origin and still believe that turquoise stones are living things. Talismans and ornaments from turquoise are found in most ancient burials in America, as well as in Egypt and Asia. For a long period of human evolution, the fashion for these or other precious materials appeared and disappeared, and the natural stone of turquoise is always a symbol of health and good luck. This stone has always been considered a talisman, bringing happiness. So, in the eastern countries turquoise served as an amulet, storing soldiers, and Egyptian jewelers actively manufactured from these stones sacred insects for magical rituals.
In nature, in crystalline form, not alwaysyou can meet these beautiful stones. Turquoise is kidney-shaped cryptocrystalline species or non-luminous veins in rocks. Their decorative signs are ambiguous. There are pale turquoise stones, and there are bright shades from blue-blue to bluish-green. Adorable in appearance mesh and lacy their varieties. Drawing on them is created by veins of metal oxides. It can be iron, copper or manganese. Very interesting in appearance is the matrix or queen turquoise, which has inclusions of shales of carbonaceous nature.
Surprisingly, despite the huge amountdeposits of stones in the Caucasus, the United States, China, Israel, Afghanistan and other countries, one of the most widely simulated is still the turquoise stone. The price of forgery is much inferior to natural material. But the jewelers are both very popular. Descriptions of the technique of imitation of turquoise were published in the XIV century. Therefore, today you need to be able to distinguish them.
If in the past centuries, when counterfeitednatural turquoise stone, the crumb of the material mixed with powders suitable for color, pressed, and a heterogeneous material was obtained which it was very difficult to distinguish from natural ones, today there are more opportunities to forge stones.Turquoise consists of copper, ceramics and varioussuitable rocks of inexpensive stones, for example quartz. And there are specialists who masterfully create synthetic materials for turquoise, that even experienced experts can not find differences in their composition.
When buying, you should first consider the condition of the pores in the stone.There are no white pores in natural turquoise. Identify plastic with fire. You need to bring the fittings from the back of the product and hold it for a while. If it starts to melt, imitation. With the help of a needle it is possible to reveal faience in hands or glass. Their hardness is greater than that of turquoise, and if the material does not remain scratched, and it is harder than metal needles, then we can assume that it is a fake. At the same time, if as a result of this check, chips or powder are formed, as well as white stripes on the product itself under the turquoise top layer, then it is obvious that the decoration is made of plastic. With the help of a hot needle you can reveal the painted stones. Turquoise, or rather wax and resin, in which the dyeing pigments were dissolved, from the touch of the hot metal begin to melt.