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汉语拼音：gào shí

矿物，化学成分是硅酸锆，无色，含杂质时呈黄、绿、橙、褐、红等颜色，有像金刚石的光泽，硬度7—8，是提制锆的主要原料，也用来制造耐火材料，其中的上品是宝石。

• Many scientists are trying to test whether similar conditions produced the ancient Jack Hills zircons .

  目前有很多科学家都在尝试，想了解是否因相似的条件而造就了杰克丘的古锆石。

• As the possible implications of the zircon discoveries spread through the scientific community, the excitement was palpable.

  锆石可能潜藏著秘密，当这个发现在科学界散布开来，所引起的兴奋可想而知。

• Cubic zirconia is recognised as the finest imitation of a diamond and is cut in the same way as diamond is.

  二氧化锆被公认为是与钻石最接近的锆石，它的切割方法和钻石完全一样。

• Zircon U-Pb ages, geochemistry and its petrogenesis of Jurassic granites in northeastern part of the Da Hinggan Mts.

  大兴安岭东北部侏罗纪花岗质岩石的锆石U-Pb年龄、地球化学特征及成因。

• For instance, in this rock here, there are zircon crystals that are one-third of the age of the universe.

  例如，在这里的这块岩石中，有宇宙年龄三分之一的锆石晶体。

• They produce everything from aluminium to zircon, and so are less susceptible to fluctuations in the price of any particular metal.

  它们的产品包罗万象，从铝到锆石不一而足，故而不易受到某一种金属价格波动的影响。

• These findings imply that the zircons were once plentiful and came from a widespread source region, possibly a continental landmass.

  这些发现暗示，锆石的数量曾经很丰富，而且源自一片分布很广的地区，例如一个大陆陆块。

• Studying on variation of uranium content in zircon makes it clear whether gem radioactivity can be safe for human being.

  通过对锆石铀含量变化的研究，探讨了宝石放射性及其对人体是否安全的问题。

• NEW Mesh ring with heart. Large heart. Made of Zircon and sterling silver.

  大心型镶嵌锆石编织网戒指。