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Can Ti4+ replace Si4+ in silicates?

Published online by Cambridge University Press:  05 July 2018

P. Hartman
P. Hartman*
Affiliation:
Geologisch en Mineralogisch Instituut der Rijksuniversiteit, Garenmarkt 1B, Leiden, Netherlands
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Summary

It is argued on crystal-chemical grounds that Si deficiency is compensated by the entering of Al, Fe3+, or Ti4+, in this order of preference, into tetrahedral sites. It is pointed out that Ti4+ occurs in tetrahedral coordination in exceptional circumstances only, while Fe3+ relatively easily takes a tetrahedral coordination.

Information

Type
Research Article
Information
Mineralogical Magazine , Volume 37 , Issue 287 , September 1969, pp. 366 - 369
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1969

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