This cut topaz gemstone shows off its striking blue coloration, but the mineral also occurs in a colorless form or with a yellow or green color.

这颗经过切割的黄晶闪耀着夺目的蓝色光芒，但是这种宝石也有无色的，也有黄色或绿色的。

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A complex crystalline silicate containing aluminum, boron, and other elements, used in electronic instrumentation and, especially in its green, clear, and blue varieties, as a gemstone.

电气石一种复合晶体硅酸盐，含有铝、硼和其它元素，用于电子仪器制造，其绿色，透明及蓝色的变体可作为宝石。

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As the gemstone of the Australian nation, opals are celebrated for immaculately embracing the entire colour spectrum, from translucent, white and red, through to green, blue and black.

澳宝是澳大利亚特产，其颜色从半透明、白色、红色到绿色、蓝色、黑色不等，因拥有完美七彩而闻名于世。

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