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Gems Stones - Chrysoberyl

 

 

History and Lore

Quality, Value & Availability

Sources

Care & Cleaning

 

History and Lore

The ancient historians called Cat’s-Eye Chrysoberyl cycophane, which means “waving light”.

Ancient people in many cultures thought that Cat’s-Eye Chrysoberyl had the power to cure diseases of the eye.

The eye in Cat’s-Eye Chrysoberyl will appear to blink when you hold the gem between two light sources and then rotate it. As you turn the stone, the eye splits into two beads that move apart, then back together. This effect is called opening and closing.

 

Quality, Value &Availability

The most important value factor for a Cat’s-Eye  stone is the strength, sharpness and symmetry of the eye.

Cat’s-Eye Chrysoberyl ranges in colour from a “honey” brown to an apple green with rich gold colours generally the most valued.

Fine Cat’s-Eye Chrysoberyl often also shows the “milk n honey” effect. When a bright light is pointed at the side of the stone, perpendicular to the cat’s eye, one side of the eye will be milky white and the other remains gold to brown. When the stone is rotated, the colours switch.

In order to display the cat’s eye effect, this Chrysoberyl must be cut un an oval or round smooth dome known as cabochon.

There is also a transparent variety of Chrysoberyl, that has a yellow to honey-gold colour. Such faceted stones may remind you of yellow sapphire, topaz or citrine. 

 

Sources

Chrysoberyl displaying the cat’s eye effect is found in Sri lanka, Brazil, Tanzania, Madagascar and India.

 

Routine Enhancements

There is no routine enhancement of the Chrysoberyl.

 

Care & Cleaning

Chrysoberyl  is a  hard and durable gem with a hardness of 8.5 on the Mohs scale, with excellent toughness. It is very popular in men’s rings as a result.

Clean with mild dish soap in warm water: use a toothbrush to scrub to scrub behind the stone where dust can collect.