PlayofColor is a special optical effect unique to Opal. It is a phenomenon caused by diffraction and interference of light in the special composition of Opal. Inside the opal gemstone, you can see the rainbow-like color spots. With the different viewing angles, each color spot will also show a changing color, which is the color changing effect.
The color-changing effect makes the opal like the neon in the sky illusory, magnificent and wonderful; every opal has a unique color-changing effect. Some opal are mainly blue and green, such as the quiet lake and the lush forest, deep and elegant, can bring out the noble and quiet temperament of women; some opal has rich spectral color, gorgeous sparkling, symbolizing the colorful Dreams and hopes; some opal's variable color spots are dense and small, like a starry sky; some opal's variable color spots are intertwined, like Monet's paintings. It is this dreamlike color-changing effect that gives Opal the unique charm of “the beauty of the gemstoneâ€.
The degree of brightness, size, number, thickness, color range, and composition of the colored spots are comprehensively evaluated for the opal color change. The high quality opal strain color is uniform and complete, and the less the part with no color change, the better. The color of the colored spots is gradually increased in blue, green, yellow, orange, and red. The richer the color, the better. The brighter the better. Turning the gemstone to observe, the more vivid the color change of the colored spot, the more obvious the contrast, the higher the value of the opal.
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