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。
The identification of yellow jadeite, however, is a headache to the gemstone testing organizations.
而黄色翡翠鉴别是珠宝鉴定部门的难题。
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