Chatoyancy
The effect can be likened to the sheen off a spool of silk: The luminous streak of reflected light is always perpendicular to the direction of the fibres. For a gemstone to show this effect best it must be cut en cabochon, with the fibers or fibrous structures parallel to the base of the finished gem. The best finished specimens show a single sharply defined band of light that moves across the stone when it is rotated. Chatoyant stones of lesser quality display a banded effect as is typical with cat's-eye varieties of quartz. Faceted stones do not show the effect well.
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Chatoyancy
The effect can be likened to the sheen off a spool of silk: The luminous streak of reflected light is always perpendicular to the direction of the fibres. For a gemstone to show this effect best it must be cut en cabochon, with the fibers or fibrous structures parallel to the base of the finished gem. The best finished specimens show a single sharply defined band of light that moves across the stone when it is rotated. Chatoyant stones of lesser quality display a banded effect as is typical with cat's-eye varieties of quartz. Faceted stones do not show the effect well.
has abstract
Die Chatoyance (Verb: chatoyie ...... lanz bezeichneter Lichteffekt.
@de
Efekt kociego oka – efekt opty ...... skiem pokrewnym jest asteryzm.
@pl
Het chatoyance-effect is een l ...... rden chat (kat) en oeil (oog).
@nl
Il gatteggiamento è un fenomen ...... chi della statua di un gatto).
@it
The effect can be likened to t ...... e, e.g., cat's eye aquamarine.
@en
Коша́чий глаз — первоначальное ...... копи», Средний Урал, Россия).
@ru
عين الهر حجر يُحدث شعاع ضوئي أ ...... ى، ويتواجد بالأخص في سريلانكا.
@ar
キャッツアイ効果（キャッツアイこうか）は、宝石などに見られる ...... 効果（アステリズム効果、星彩効果）は、これと同じ原理である。
@ja
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Wikipage revision ID
718,504,182
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hypernym
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Die Chatoyance (Verb: chatoyie ...... nzösisch chatoyer = schimmern.
@de
Efekt kociego oka – efekt opty ...... skiem pokrewnym jest asteryzm.
@pl
Het chatoyance-effect is een l ...... rden chat (kat) en oeil (oog).
@nl
Il gatteggiamento è un fenomen ...... tagliata a cabochon e dunque p
@it
The effect can be likened to t ...... s do not show the effect well.
@en
Коша́чий глаз — первоначальное ...... копи», Средний Урал, Россия).
@ru
عين الهر حجر يُحدث شعاع ضوئي أ ...... ى، ويتواجد بالأخص في سريلانكا.
@ar
キャッツアイ効果（キャッツアイこうか）は、宝石などに見られる ...... 効果（アステリズム効果、星彩効果）は、これと同じ原理である。
@ja
label
Chatoyance
@de
Chatoyance-effect
@nl
Chatoyancy
@en
Efekt kociego oka
@pl
Gatteggiamento
@it
Кошачий глаз (камень)
@ru
عين الهر (حجر)
@ar
キャッツアイ効果
@ja
