Abstract
We have investigated the processes of pyroxene formation in crystallization of glasses of the system SiO2–Al2O3–CaO–MgO–Na2O stimulated with chromium and iron oxides introduced together. It is found that sharp activation of the processes of pyroxene formation occurs in the temperature interval of thermal treatment 850–900°C. Interpretation of the absorption bands is carried out and conclusions are drawn on the structural role of the iron and aluminum ions in the process of formation of a pyroxene solid solution.
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REFERENCES
L. A. Zhunina, M. I. Kuz'menkov, and V. N. Yaglov, in: Pyroxene Sitalls [in Russian], Minsk (1974), pp. 56–100, 153-212.
I. I. Plyusnina, in: Infrared Spectra of Silicates [in Russian], Moscow (1967), pp. 58–67.
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Bobkova, N.M., Barantseva, S.E. Effect of Fe2O3 and Cr2O3 on the Processes of Pyroxene Formation in Silicate Glasses. Journal of Applied Spectroscopy 69, 675–678 (2002). https://doi.org/10.1023/A:1021540525668
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DOI: https://doi.org/10.1023/A:1021540525668