The cat's eye

The French-named “oeil de chat” or “eye of the cat” is a powerful protective talisman said to ward off evil spirits and even improve night vision. Megan Austin explores this popular and unusual gemstone.

Image courtesy: Greg C Grace

A cat’s eye gemstone displays a mobile streak of light that glides across its surface when rotated that closely resembles the eye of a cat.

This optical phenomenon, known as “Chatoyancy”, is due to the ref...

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