Beauty in green
Emerald belongs to the genus of beryllium and is considered one of the most revered and expensive gems. The cost depends on the saturation of emerald green, depending on which there are five types of stones: dark green, normally green, medium green, light green, light green with a hint. A variety of colors due to different ratios of impurities of chromium, iron and vanadium. The most expensive prized emeralds, the color of which resembles the color of dill. Emeralds of the grass-green mined in Colombia, near Bogota. Other major deposits are in Siberia, East Africa, Transvaal, India and Pakistan.
When choosing a gemstone should be aware that defects such as cracks and uneven coloration indicate naturalness emerald. Stone containing inclusions unlike diamond without losing much in price. Emerald cut must be neat edges - without burrs and rough edges.
The ideal structure and too pale stone should alert the buyer: under the guise of emerald you can try to sell ordinary beryl or inexpensive fluorite, and if the stone is a perfect transparency and intense dark green color, it can be a high-quality synthetics.
Despite the fact that artificial emeralds found in the jewelry market very often, and in many countries, the buyer has the right to return the fake seller before buying a favorite stone, should be carried out in its examination of the Gemological Institute, whose experts using special instruments to determine the quality of the stone. Remember that the methods of making artificial stones are constantly being improved, and to distinguish natural from artificial material only by a professional gemologist.