There are several forms of corundum can be processed to improve the gemstone, the filling of cracks is a common practice of using epoxy resin, oil, wax and glass as filler, which reduces the visibility of defects in the manufacture of non-reflective fractures.
Heating may facilitate or enhance corundum color and enhance clarity by the merger of some inclusions of rutile needles, "silk", which is a phenomenon common in sapphires. Diffusion treatment is another method, but this color as the surface of the stone, while the center remains colorless, is a regulation Unlike permanent radiation treatments vanish and is not an accepted method of strengthening the Sapphire.
Diffusion treatment can be used to produce asterism, six star effect rays.

Corundum of any color except red ruby is known as sapphire, the most popular dyes Gemstone Blue is due to the presence of iron and titanium, an iron content of small green and yellow tones creates, while the rose is produced by the presence of chromium and orange by iron and vanadium.
Some famous sapphires have been recognized as the world's largest, namely, St. Edward's and Stuart Sapphire, which are part of the British crown jewels, USA heads of Presidents Washington, Lincoln and Eisenhower, were carved into three large Strass Sapphire.

The Latin word Sapphirus blue, and the stone is said to heal the mind and improve mental clarity according to the ancient Persians precious blue stone was placed on a pedestal just because they believed the Earth rested on a giant sapphire blue of the sky is a reflection of the Sapphire. Many of the great kings of history, say the Sapphire jewelry worn to protect against the ravages of battle and precious stones in India is considered an antidote against the effects of poison. In India are investing in Sapphire Jewelry because it is considered a symbol of truth and loyalty, to wear the gemstone is to show the dedication and loyalty in expression of love, and legend has it that the stone was a sign of loyalty and Sapphire do not shine if the user had been unfaithful.

As sapphire Ruby has a hardness of 9 on the Mohs scale, making them ideal for everyday use. Because of pretty stones color and hardness from time to time, were cut into sheets and used as the face of designer watches.
The hot water and soap is a good way to clean and Sapphire is perfectly safe to put jewelry in a cleaner ultrasonic. The blue color plays an important role in each and every one of our lives, we see all the time, a blue sky on a beautiful sunny day makes us feel good and nothing seems more attractive than the deep blue ocean, blue, and finally, when your mood is light in precious gems and let the magical beauty lift.

About the Author:

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Article Source: ArticlesBase.com – Sapphire – a True Blue Symbol of Truth

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