We are offering cats eye. The translucent honey-yellow to greenish or brownish yellow chatoyant chrysoberyl which, when cut with a domed surface (cabochon) show a mobile streak of light are called as cymophane or cat's eye chrysoberyl. Cat’s eye is a band of light that runs length wise from one end of the stone to the other. This effect is called chatoyancy. Cat’s eye stones (gemstones displaying the streak of light), similar in appearance to cymophane, are formed in minerals such as tourmaline, scapolite, corundum, spinel and quartz. The industry designates these gemstones as quartz cat's eyes, or ruby cat's eyes etc and only the chrysoberyl gemstone can be referred to as cat's eye with no other designation.
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