Blue chaleedony is one of the most precious gemstones in Taiwan, The most popular imitations of blue chalcedony in Taiwan market are dyed chalcedony, dyed quartzite and blue opal.
蓝玉髓是台湾最珍贵的宝石之一，它产于台湾东部海岸山脉一带。
This process can be observed in the vibrant colours of the precious stone opal, a natural photonic crystal.
在珍贵的蛋白石中可以观察到这一颜色变化的过程，蛋白石是一种天然的光子水晶。
Do you know the Opal? It is kind of precious stone.
你知道这个泊？它是一种宝石。
Do you know the Opal? It is kind of precious stone.
你知道这个泊？它是一种宝石。
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