ruby stone - a mineral, one of the varieties of corundum.From the standpoint of chemistry, it is aluminum oxide with small amounts of chromium ions.Painting is caused by mineral impurities, the higher the content of chromium ions, the more color.
Ruby - precious stone class 1, which also includes emerald, diamond (diamond) and sapphire.They are classified as true gems.All the rest is either a semi-precious or for ornamental.
considered minerals mined mainly in Burma, Sri Lanka, Pakistan, Thailand, and India.In Russia, they are also found in the form of alluvial deposits in the Urals.
first boules have been synthesized over a hundred years ago.They are widely used.Quantum Electronics and watch industry are unthinkable today without them, not to mention the jewelry.Synthetic stone is obtained in the same manner as corundum, but with the addition of a coloring component (chromium oxide).
ruby stone known since ancient times.In ancient Rus' it was called Yakhont.Mention of it is, even in the annals of the Indians dating back to IV century.The Roman Empire was not only knew, but also valued higher than diamond.These beautiful minerals decorated with the famous Cap of Monomakh, which from the XVI century.Wedding held at the kingdom of the Russian tsars.
considered the most valuable gems, having a saturated bright red and red with a violet tint, but in the wild they are rare.These minerals and costs are comparable to diamonds.For example, the stone found in Burma, was sold for 500 thousand dollars, its mass was 4.12 carats.
Very rare rubies, which are visible on the surface of hexagonal star, are called Asterix.They are valued even higher than the stones with a violet tint, while the star is formed by the inclusions of foreign substances.
stone ruby quite hard, its hardness is 9 on the Mohs scale score.For comparison, the hardness of diamond - 10. With such a high hardness, a mineral that is fragile, by hitting a hard surface, it may crack, and if not cutting - crack.
To distinguish gem from synthetic ruby, you will need a magnifying glass with a multiple increase.In natural structure visible defects and inclusions, fine cracks may be synthetic not have any defects.
Rubin has long been shrouded in legends, he prescribe unusual properties.It was believed that it can protect the wearer from diseases, rescued from various poisons, nourish the body energy, improve a person's memory, to increase its strength.
Litoterapists convinced that this mineral improves the structure of the blood, promotes healing of joints, the spine and tonsillitis.They recommend wearing a ruby stone for people who have epileptic seizures happen to believe that he can stop an attack of epilepsy.This stone is contraindicated in hypertensive patients.Litoterapists recommend rubies timid people, these stones give them the missing determination.Active people it can become a faithful ally in all cases.
