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Tiger's eye Tiger's eye. In gemology, chatoyancy (/ ʃ ə ˈ t ɔɪ. ən s i / shə-TOY-ən-see), also called chatoyance or the cat's eye effect, [1] is an optical reflectance effect seen in certain gemstones, woods, and carbon fiber. Coined from the French œil de chat, meaning 'cat's eye'. The chatoyant effect is typically characterized by ...
An alexandrite cat's eye is a chrysoberyl cat's eye that changes color. "Milk and honey" is a term commonly used to describe the color of the best cat's eyes. The effect refers to the sharp milky ray of white light normally crossing the cabochon as a center line along its length and overlying the honey-colored background.
The term cat's eye derives from the resemblance of the cat's eye retroreflector to the optical system that produces the well-known phenomenon of "glowing eyes" or eyeshine in cats and other vertebrates (which are only reflecting light, rather than actually glowing).
Aventurescence, also called the Schiller effect, spangled gems such as aventurine quartz and sunstone; Baily's beads, grains of sunlight visible in total solar eclipses. camera obscura; Cathodoluminescence; Caustics; Chatoyancy, cat's eye gems such as chrysoberyl cat's eye or aquamarine cat's eye; Chromatic polarization
Cat eye glasses, a style of horn-rimmed glasses designed for women; Cat's eye (toy), a kind of toy marble; Cat's Eye (cocktail), a gin-based cocktail; Cat's eye (road), a type of road marker using retroreflectors; Cat eye tube, an electron tube used as a visual indicator
Cat eyes are similar to brass knuckles but in the shape of a cat face, with sharp and pointy ears that act like small daggers to stab or gouge. People slip their fingers through the spaces of the ...
People have pretty strong feelings about the colors of a cat’s coat, and always have. They claim that cat coat colors have an effect on the animal’s personality—that ginger cats are dumb or ...
Tiger's eye; Helenite (artificial glass made from ... Some minerals made into gemstones may display a chatoyancy or cat's eye effect, these include: [1] Actinolite;