对现有冰晶石的合成方法进行了系统的介绍，并对它们的优缺点进行了对比分析。

In this paper, the processes for producing synthetic cryolite were introduced, and their merits and faults were analyzed.

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本文简述了氨化法合成氟铝酸钠工艺技术，测试分析了氨化法冰晶石的矿相、 结晶形貌。就其结晶行为相关的动力学问题进行了讨论。

The process of sodium fluoride by ammoniating method was described in brief. The phase composition and crystalline morphology was determined and the crystallization kinetics was discussed also.

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