Effect of cats eye gemstones
The most famous and the most valuable cat's eye gemstone is chrysoberyl cat's eye. In fact when the term cat's eye is used in alone in the gem trade, it always refers to chrisom beryl cat's eye. There is occurring of all of the others types of cat's eye gems which require an additional varietal designation such as cat's eye apatite. The Cat's eye effect which can be found in a number of the other gem Varieties though in some cases the effect is quite rare. Among the finer of gemstones, the Cat's eye tourmaline which can often be found in green and Pink and the larger sizes which are not in the sense of uncommon.