In gemological parlance, chatoyancy refers to an optical effect (a reflectance of sorts), which is seen in a few natural gemstones. When a chatoyant chrysoberyl is cut with a cabochon (domed surface), it displays a streak of light running length wise from each of the stones end. Such stones are known as cymophane or cat’s eye chrysoberyl. Normally, cat’s eye Opal gemstones are formed in scapolite, corundum, spinel, tourmaline and quartz.
Found mostly in Sri Lanka (Ceylon) and Brazil, this gemstone displays chatoyancy in yellow, white, greenish yellow, grayish green. With a hardness of 8.5 on the Moh’s scale, and smoothness like glass, this is definitely a gemstone of great looks and strength. However, you need to look out for cat’s eye stones with a spot in the crystal, stains, pale color, cracks or holes. With a cat’s eye in hand, you can see a silver lining under direct sun or lamp light. The cat’s eye effect can be seen in a number of other gemstones including emerald, aquamarine, tanzanite and scapolite.
Cat’s eye is believed to make the wearer wealthy and happiness in matters related to children too. Being a quick acting gemstone, it is always advisable to use the cat’s eye after a trial. Also, users need to be wary of dull stones, which could signify bad health or spotted stones, which signify enemy trouble. It is also believed to enhance stamina, radiance and happiness. In the field of medicine, it is widely used to treat joint pain, anxiety and skin diseases too. In Vedic astrology, this gemstone is linked to the planet Ketu.
Looking for the best cat’s eye gemstones? You need to find gemstones which come from Sri Lanka, Brazil, India or Burma. Remember that smooth cat’s eye stones are the best bet and it should have three streaks of light. You can choose to shop for cat’s eye gemstones and beads online through reputed wholesale gemstone beads dealers.