It is an aluminate of beryllium - a mixture of aluminum and beryllium - having traces of oxide of iron and chromium, which serve as coloring agents and give it brownish and greenish tinges. It has a chatoyant glowing from inside like the eye of a cat and having white fibers. The brighter the fiber, the higher is the quality of the gem. Cat's-eye has a silky streak of light that moves with the turning of the stone like a gleam in a straight line across the stone.
Chemical Composition Chrysoberyl Cats-Eye is a stone with chemical composition of Beryllium aluminates found mainly in Brazil, India, Zimbabwe and Burma. This is normally yellowish brown color stone | |||
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Chemical Formula | BeO Al2 O3 | Hardness | 8.5 |
Specific Gravity | 3.72 - 3.74 | Refractive Index | 1.746 - 1.755 |
The quality of this gem is judged by the display of chatoyancy effect. A cat’s-eye ( Chatoyancy) is the band of light that runs length wise from one end of the stone to the other. Chatoyancy is caused by a parallel needle or a hollow tube like inclusion inside the gem. When the gem is rotated while light is flashed on the gem.
Following are the general properties of Gemstone
Planet | Cosmic Color | Sign | Element | Time | Day |
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Ketu | Beyond Visible Color Spectrum (Infra Red) | Pisces | Water | After Sunset | Thursday |
Straightness of the chatoyance
Brilliance of chatoyance
Smoothness
High specific gravity - heavier than average stone of the same size
Having three streaks of light, similar to the sacred thread worn by Brahmins in India
Quality of mineral
Cat's eye is found in many colors: yellow, black, dark or smoky-green, and white. The only thing common to all shades is the band of light moving across the stone, the chatoyance.
Cat's eye in combination with other stones helps you cure blood cancer, gland cancer, bone cancer, mouth cancer.
Again it helps to cure paralysis, cancer, asthma, fainting fits skin diseases, mental worries, insanity etc.
People suffering from unexpected fears and tensions can get great relief after wearing cat’s eye with Jupiter.
It is very important for people under the mahadasha of ketu to wear this stone as ketu if poisted in rashis of Taurus, Gemini, Virgo, Capricorn, Libra and Aquarius can give very distrustful results in its mahadasha. But cat’s eye stone should be worn only after consulting astrologer