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Crystallization of Beryllian Indialite from Its Own Melt under Oxidizing Conditions

机译:在氧化条件下从其自身的熔体中析出铍绿的印度沸石

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It is established that beryllian indialite (ideal formula Mg_2BeAl_2Si_6O_(18)) is formed spontaneously under oxidizing conditions in a wide range of relatively high cooling rates at small overheatings of its own melt and short overheating times. The significant difference in the growth rates of the prism and pinacoid faces of beryllian indialite from its own melt (0.08 and 0.40 mm/h, respectively) obtained by the Steber method is explained by the fact that the prism grows according to the tangential mechanism, while the pinacoid grows in the normal way. The face effect in these crystals manifests itself in the enrichment of the prism with beryllium and silicon as opposed to pinacoid.
机译:可以确定,在氧化条件下,在较高的冷却速率范围内,在其自身的熔体过热小且过热时间短的情况下,氧化自发形成了铍辉石(理想分子式为Mg_2BeAl_2Si_6O_(18))。用Steber方法获得的自身熔融态(分别为0.08和0.40 mm / h),铍辉石状辉绿岩的棱锥面和针状面的生长速率存在显着差异,原因是棱柱根据切线机理生长,而类ac骨以正常方式生长。这些晶体的表面效应通过与铍形晶体相反的铍和硅的富集棱镜表现出来。

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