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Synthesis and study of diaboleïte

Published online by Cambridge University Press:  14 March 2018

R. E. Winchell  and
H. E. Wenden
R. E. Winchell
Affiliation:
Department of Mineralogy, Ohio State University, Columbus, Ohio
H. E. Wenden
Affiliation:
Department of Mineralogy, Ohio State University, Columbus, Ohio
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Summary

Diaboleïte has been synthesized between 25 and 100° C at atmospheric pressure and approximate water vapour partial pressures of 14·7 lb/in2. Under similar conditions at 170° C cumengéite appears to be the stable phase produced from a diaboleïte composition. Synthetic diaboleïte is much simpler morphologically than the natural mineral but the hemimorphic symmetry is more clearly demonstrated morphologically in the artificial specimens. A comparison of X-ray powder data for natural and synthetic diaboleïte shows almost exact detailed correspondence in line position and intensity between 0 and 180° 2θ. The cell dimensions obtained from X-ray powder data are a 5·869 ± 0·002 Å and c 5·495 ± 0·003 Å.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 36 , Issue 283 , September 1968 , pp. 933 - 939
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1968

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References

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