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The system diopside-anorthite—åkermanite

Published online by Cambridge University Press:  14 March 2018

E. Christiaan De Wys  and
Wilfrid R. Foster
E. Christiaan De Wys
Affiliation:
College of Engineering, Ohio State University, Columbus, Ohio, U.S.A
Wilfrid R. Foster
Affiliation:
College of Engineering, Ohio State University, Columbus, Ohio, U.S.A
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Summary

The high-temperature phase equilibrium relationships in the system diopside-anorthite—åkermanite have been investigated by the quenching method. This system may be regarded as essentially a simple eutectic system. The eutectic is located at the composition 9 diopside:44 anorthite:47 åkermanite (by weight) and at a temperature of 1226° C. Åkermanite is a stable phase at least as low as this temperature. Triclinic anorthite is the only form of CaAl2Si2O8 encountered in the liquidus range of temperatures.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 31 , Issue 240 , March 1958 , pp. 736 - 743
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1958

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