News and Society, Nature
Turquoise stones - natural and synthetic
Long ago people endowed stones with magic properties. Turquoise, for example, was used by people even in remote antiquity. Persians considered it the remains of those people who died from passionate love. Tibetans attributed to her divine origin and still believe that turquoise stones are living things. Talismans and ornaments from turquoise are found in most of the oldest 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 a crystalline form, it is not always possible to meet these beautiful stones. Turquoise is kidney-shaped cryptocrystalline species or non-luminous veins in rocks. Their decorative features 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 number of deposits of stones in the Caucasus, in the US, 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 techniques of imitation of turquoise were published as far back as the 14th century. Therefore, today you need to be able to distinguish them.
If in past centuries, when a natural turquoise stone was forged, the crumb of the material mixed with powders that matched in color, was compressed, and a non-uniform material was obtained, which was very difficult to distinguish from natural, today there are more opportunities to forge stones.
When buying, you should first consider the condition of the pores in the stone.
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