A hard, important gem mineral, of which alexandrite and cymophane are two varieties. Occasionally a greenish chatoyancy can be seen which was formerly known as cymophane, but is now called chrysoberyl cat's eye, or oriental cat's eye, when cut en cabochon
Alexandrite gemstone buyer and jewelry collector guide holds information on history, lore, value and properties of the chrysoberyl varieties, including alexandrite and cymophane gemstones.
Alexandrite gemstone buyer and jewelry collector guide holds information on history, lore, value and properties of the chrysoberyl varieties, including alexandrite and cymophane gemstones.