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Contributions to the synthesis of spessartine analogues

Published online by Cambridge University Press:  05 July 2018

Renata Hříchová
Renata Hříchová*
Affiliation:
Department of Mineralogy, Institute of Chemical Technology, Prague
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Summary

Many syntheses have been carried out in order to establish the possibility of replacing manganese in spessartine, Mn3Al2(SiO4)3, by various elements (Be, Mg, Ca, Sr, Ba, Pb, Cu, Ni, Co, Fe2+, Sc, Yt, Zn, Cd) as well as aluminium by Sc, Yt, Zr, Ti, Cr, Fe3+ by a solid state reaction. The syntheses were done by sintering pellets of the desired composition at about 1100 °C for 5–10 hours under normal pressure. It has been found that an inert atmosphere creates more favourable conditions for the syntheses of spessartine analogues, compared to the results obtained in the open-air reaction, where often spinel was obtained. All the reaction products were submitted to X-ray and chemical analysis and to IR spectroscopical examination.

Type
Research Article
Information
Mineralogical Magazine , Volume 37 , Issue 289 , March 1970 , pp. 593 - 597
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1970

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