"Cette bague vient d'arriver aujourd'hui, je ne peux donc rien dire pour l'instant sur sa qualité et sa tenue.. (parfois les bijoux peuvent être très brillants & pretty when brand new but quickly loses it's brillance & se raye aussi facilement, etc.). I haven't decided if I'm going to keep it or return it. Un [...]
Archives par tags: silver bangle manufacturers
3. Color changing effect The color produced by the interference and diffraction of the special structure of the gemstone changes with the light source or the observation angle. This optical phenomenon is called the color change effect. Opal is a typical gemstone with a color changing effect. Quatre, discoloration effect The phenomenon that the color [...]