chatoyancy


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chatoyant
cat's-eye quartz

cha·toy·ant

 (shə-toi′ənt)
adj.
Having a changeable luster.
n.
A chatoyant stone or gemstone, such as the cat's-eye.

[French, present participle of chatoyer, to shimmer like cats' eyes, from chat, cat, from Vulgar Latin *cattus, perhaps of African origin.]

cha·toy′an·cy n.

chatoyancy

the condition or quality of changing in color or luster depending on the angle of light, especially of a gemstone that reflects a single shaft of light when cut in cabochon form. — chatoyant, adj.
See also: Gems
the condition or quality of changing in color or luster depending on the angle of light, especially of a gemstone that reflects a single shaft of light when cut in cabochon form. — chatoyant, adj.
See also: Light
the condition or quality of changing in color or luster depending on the angle of light, exhibited especially by a gemstone that reflects a single shaft of light when cut in cabochon form. — chatoyant, adj.
See also: Color
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References in periodicals archive ?
Rarely, zircon shows chatoyancy, and such gems have been documented from Sri Lanka (Fryer 1983, 1985; Hanni and Weibel, 1988).
Chatoyancy, Jordan Louise Langen, 2412 Cherry St., Bellingham, WA 98225.
"I can't think of any other wood that possesses the chatoyancy or range of colors of koa.