| iridescence |
The exhibition of prismatic (rainbow) colors on the surface of a gem. See also orient, overtone.
출처: secretsofthegemtrade.com/glossary2.htm
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| iridescence |
Thin laminated flakes of glass showing decomposition with age. Also artificial, as done by Tiffany.
출처: www.collectorsguide.com/fa/fa017.shtml
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| iridescence |
brilliant spots or borders of colors in clouds, usually red and green, caused by diffraction of light by small cloud particles. The phenomenon is usually observed in thin cirrus clouds within about 30?of the sun and is characterized by bands of color in the cloud that contour the cloud edges.
출처: www.geog.ubc.ca/courses/g102/Resources/G102Glossar...
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| iridescence |
Producing a lustrous display of rainbow-like colors; brilliant, lustrous, colorful in appearance or effect.
출처: www.beadsofbali.com/index.asp
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| iridescent |
Probably the most desirable form of toning on a silver or nickel coin. Iridescent toning covers virtually all of the coin's surface, while still permitting all of the coin's natural lustre to shine through with its full intensity. Some numismatists feel that in order for toning to be called iridescent it must have all the colors of the rainbow, or at the very least, most of them.
출처: www.coingrading.com/glossary1.html
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