Precious or oriental cat s eye the rarest and most highly prized is a greenish chatoyant variety of chrysoberyl called cymophane.
Cat s eye gem colors.
This particular quality is termed chatoyancy.
The chatoyant effect is due to minute parallel cavities.
The technical term for the cat s eye effect is chatoyancy derived from the french for eye of the cat oeil de chat.
An alexandrite cat s eye is a chrysoberyl cat s eye that changes color.
It clears obstacles hindrances and wards off evil effects of witch crafts.
Among the gemstones that display special optical phenomena cat s eye gems are particularly interesting in part because the effect is found in so many different gem varieties.
Cat s eye describes a gemstone polished into a cabochon that displays a narrow band of concentrated light going accross the width of the stone.
Gems lacking the silky inclusions required to produce the cat s eye effect are usually faceted.
Cat s eye stone meaning.
Cat s eye any of several gemstones that when cut en cabochon in convex form highly polished display a luminous band reminiscent of the eye of a cat.
Natural chrysoberyl cat s eye gemstone price in india in rupees is between rs 1300 per carat and rupees 22 000 per carat and above.
This effect known as chatoyancy or cat s eye effect is caused by inclusions of fine slender parallel mineral fibers in the gemstone that reflect light in a single band.
In color it resembles the color of the neem fruit with silver streak which comes in chrysoberyl stone it also comes in other colors like black black white yellow pale blue and light red.
The chatoyant effect resembles appropriately enough the slit eye of a cat.