Cats Eye Gemstones
Cats eye effect resembles the slit eye of a cat. The technical term for the cat's eye effect is chatoyancy, derived from the French for eye of the cat ("oeil de chat").cThe effect is caused by the reflection of light by parallel fibers, needles or channels in the gemstone.
The cat's eye effect can be found in a number of other gem varieties, though in some cases the effect is quite rare. They include emerald, iolite , moonstone, apatite, kornerupine, chrysoberyl, diopside aquamarine, andalusite, tanzanite and scapolite and are are real collector's items.
The cat's eye effect can be found in a number of other gem varieties, though in some cases the effect is quite rare. They include emerald, iolite , moonstone, apatite, kornerupine, chrysoberyl, diopside aquamarine, andalusite, tanzanite and scapolite and are are real collector's items.
