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The normal-pattern finder: an aid to stereographic projection

Published online by Cambridge University Press:  14 March 2018

G. Boom
G. Boom*
Affiliation:
Kristallografisch Instituut, Groningen University, The Netherlands
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Summary

The normal-pattern finder is a mechanical aid for use in finding the various possible configurations of a construction in the Barker system for anorthie crystals. Its purpose is to avoid the drawing of zones in pencil on the stereographic projection, which zones make it more difficult to recognize other differently constructed normal-patterns.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 31 , Issue 236 , March 1957 , pp. 358 - 360
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1957

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