Ruby

Ruby

Rubies belong to the corundum varieties, differing in red. Chemical composition and structure of these rocks similar to sapphires. Rubies belong to the most high priced among the gems. They compete on price, even with the best specimens of colored diamonds. In Russia, many people confuse the Granny ring and earrings with large rubies with something expensive and of high value. Unfortunately, such products are low cost, as they were used of the synthetic red corundum grown in a lab. No matter how large and beautiful these panels are, they pale in comparison with natural minerals.

Colouring of minerals is determined by the admixture of chrome and has red tone, diluted pink, purple or orange hues. Pure red tone palette of ruby without color are assessed at the highest category. Gemologists represent the best examples of rubies bright red called "pigeon blood" ("Pigeon Blood").

Selection of natural rubies are evaluated based on their colors. Color saturation ruby fuller is determined using various sources of lighting. Inspection Rubin carried out in sunlight or under artificial lighting from lamps and lanterns. You must pay attention to the purity and transparency of the mineral, the presence of inclusions, the uniformity of the color. Preference for brighter instances, optimally looking at different types of lighting.

Rubies are characterized by high hardness with a rating of 9 on the Mohs scale. Durable gems are not prone to wear and scratching.

Gems of large size with good quality characteristics are rare. Before you buy a ruby make sure that you have an expert opinion issued by a reputable Gemological laboratory. The conclusion should confirm the naturalness of the gem and include information about the presence or lack of treatment.

The most common technique for improving rubies performs heat treatment. About 90% of gems are subjected to heat treatment with the aim of improving quality characteristics. After heating a ruby color palette of the mineral becomes brighter and richer. Disappear ignoble shades, adversely affect the price of ruby. In addition, when the heat treatment is melted to separate impurities, which improves the purity of the gem. The market prices of natural rubies are several times higher than prices refined instances with the same parameters. Cheap way of upgrading is to fill cracks with lead glass. Such exposure increases the transparency of the gems of the lowest price category. After filling in the cracks glass specialists get the transparent minerals of opaque copies.

The price of a ruby is also dependent on the location of deposits. The best brand are the gems mined in Burma. Natural red findings from this country will belong to the highest price category. A little less valued rubies mined in Mozambique, although some of them are beautiful specimens. In addition, production of red corundum are company Thailand, Madagascar, Tajikistan, Tanzania and Vietnam. The gems mined in India, characterized by serious size and low transparency. The largest cutting centre of rubies is Thailand.

Natural gems differ Gemological varieties. As an example, we present the optical effects. Upon inspection of the observed star rubies star with six rays, moving along the surface of the cabochon with rocking. Unusual effects cat's eyes, which is a white light stripe, also sliding along the surface during movement. Optical effects are formed due to the presence in the ruby needles of rutile that are oriented in a certain way. Gems these effects are not heated, as the needles of rutile are dissolved from the high temperatures.

All over the world are highly appreciated all kinds of jewelry with genuine rubies that are in the same price category with the products of diamonds. Power and luxury is always accompanied with the possession of such ornaments. Huge demand for products like for women and for men. The cost of jewelry with rubies varies quite widely. For a simple gold ring with a small gem will have to pay up to one thousand dollars. Decoration on the basis of large quality rubies can cost several hundred thousand dollars.

Jewelers traditionally craps rubies in yellow or white gold. Often perform rings or earrings with rubies framed with diamonds. Russian jewelry collection rare decorated products with high quality natural or minimally refined gems. All of the crazy high cost of such jewelry, which is affordable only to very rich people.

In the Windows of jewelry stores there are virtually no earrings, bracelets or pendants with high quality gems over 2 carats. You can only order custom jewelry from a good jeweler. When ordering earrings, it is difficult to find a suitable pair of rubies. Men prefer rings and rings decorated with rubies.