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Harmotome from Korsnäs, Finland

Published online by Cambridge University Press:  14 March 2018

Th. G. Sahama  and
Martti Lehtinen
Th. G. Sahama
Affiliation:
University of Helsinki, Finland
Martti Lehtinen
Affiliation:
University of Helsinki, Finland
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Summary

This paper describes a harmotome from the Korsnäs mine in Finland, which occurs in the same open cavity as the yellow apophyllite previously reported in this journal. The harmotome is always twinned according to the morvenite and Marburg laws. Chemical composition, optical properties, X-ray powder pattern, and single crystal data are given.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 36 , Issue 279 , September 1967 , pp. 444 - 448
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1967

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