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Ring and Earrings made in 925 silver with a coating in Rhodium, yellow gold coating and its main gem Opal, with points in Topaz and Rhodalite. The Opal is one of the most coveted stones in the world. For all that they contribute, for its rarity in colors and its value. Precious opal shows a rainbow with shades that change with the angle of observation, especially in rounded cabochon shapes. It was only in the 1960s that a team of Australian scientists analyzed opals with an electron microscope and discovered the cause of the optical properties of opal. It was discovered that small siliceous gel spheres caused interference and refraction, which are responsible for the fantastic play of colors. The spheres, which are organized more or less in compact structures, dissect the light in its passage through the stone.
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