Chrysoberyl Cat's Eye
Cat's eye is a gemstone variety of
beryllium aluminum oxide, which exhibits a rare optical trait recognize as
'chatoyancy'. Chatoyancy is the unique capability to reflect light in a way
that resembles the slit eye of a cat, hence the name 'cat's eye'. The cat's eye
is one of the most valuable gemstones with a price varying greatly according to
their size and quality. The chrysoberyl species (cat’s eye) was first
identified in 1789 by renowned German geologist, Abraham Gottlob Werner.
A cat’s eye like effect, known as
‘chatoyancy’, appears to move on this stone’s surface. Cat’s eye is a gem
variety of chrysoberyl species and hardness 8.5 on the Mohs’ scale.
This species, with its golden tones, is often associated with wealth, which is
why the cat's eye is among the gemstones of the luxury class.
There are two varieties of cat’s eye
the alexandrite cats-eye and the chrysoberyl cat’s-eye, which is very popular
in the Far East, particularly in Japan. The optimal colors of the chrysoberyl
cat’s-eye are yellowish-brown, which is called the honey color, and the
yellow-green, which is called the apple green color. A very good cat’s eye,
apart from being of optimal color, should have a high degree of transparency
and a well-defined constant ray. It should be free from any distracting
inclusions visible to the eye. The chrysoberyl cat’s-eye is one of the
beautiful gemstones because of the chatoyancy or the eye effect.
A translucent variety of chrysoberyl
(beryllium aluminum oxide) which shows a silvery-white line across the
gemstone. This moves as the stone, the light source or the viewer moves and may
appear to open and close like an eye.
Cat's Eye is the stone for the
mythical planet 'Ketu'. Cat's Eye is worn to nullify the evil effects of Ketu
in one's horoscope. Cat’s eye has been regarded as a preserver of good fortune.
The south Asian people still consider it a charm against evil spirits. British
royalty often uses it as an engagement stone.
In the world of gems and crystal
healing lore, chrysoberyl cat's eye can be a stone of discipline and
self-control, thought to gain concentration and learning ability, whilst
enhancing the desire for greatness. Chrysoberyl cat's eye can also help
increase self-confidence and bring peace to the mind, as well as enhance
creativity, imagination, and instinct. Cat's eye can bridge the gap
between the physical and spiritual worlds.
Most chrysoberyl cat's eye is
sourced from Sri Lanka, Africa, Brazil, India. Some other notable sources
include Burma (Myanmar), Zimbabwe, Tanzania, Pakistan, Russia, and the United
States.
Rough Cat's eye stone |
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