26+ Alexandrite Cat's Eye Chrysoberyl US. There are strict standards for the color shift that has to be observed under although many gems show a cat's eye effect, when the term cat's eye is used alone, it always refers to the rare gemstone chrysoberyl.… Stones lacking any of them cannot aspire to high place in the ranks of the precious stones.
4.05 Ct Untreated Natural Alexandrite Chrysoberyl Cats Eye ... from venusjewellers.com Lab notes gems & gemology, winter 2017, vol. Like alexandrite, which is another variety of chrysoberyl, chrysoberyl cat's eye is classified by gemologists as rare and exotic. Both cymophane and cat's eye are variety names used to described chrysoberyl with these effects.
Milk and honey is a term commonly used to describe the color of the best cat's eyes.
It is very durable because of it combined of high hardness (8.5) and chrysoberyl cats eye stone is very well known in the gem world. Other minerals and gemstones may also exhibit cymophane or cat's eye effect, but cymophane and cat's eye when used alone are only describing the chrysoberyl type. Such are the three cardinal virtues of a perfect gemstone. See more ideas about chrysoberyl, gemstones, alexandrite.
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