It is a product of volcanic rocks of the Mesozoic Era,over-saturated with silica and rich in potash. It can be compared with geode natrolite that producedin alkaline basalt series of the Cenozoic Era.

 
  • 它是中生代硅酸过饱和并富钾质的火山岩系的产物,其意义可与产于新生代碱性玄武岩系中的晶洞钠沸石对比。
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