"Questo anello è appena arrivato oggi quindi non posso ancora dire nulla sulla qualità per quanto riguarda la vestibilità. (a volte i gioielli possono essere molto lucenti & pretty when brand new but quickly loses it's brillance & inoltre si graffia facilmente ecc). I haven't decided if I'm going to keep it or return it. Uno [...]
Archivio Tag: 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. Quattro, discoloration effect The phenomenon that the color [...]