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The structure of aragonite

Published online by Cambridge University Press:  14 March 2018

Serge I. Tomkeieff*
Affiliation:
Geological Department, Armstrong College, Newcastle-upon-Tyne

Extract

We are unable to observe crystalline structure directly, and can only infer it by observation of the physical and chemical properties possessed by a crystal. It is quite reasonable to suppose that every vectorial property possessed by a crystal is dependent upon its leptonic structure. The X-ray method, which has produced such a revolutionary change in our Knowledge of crystal-structure, is not sufficient in some cases for the determination of leptonic structure. The X-ray spectral analysis gives only the spacings between the atomic planes of a crystal. The application of the method of intensities, which was so successful in the case of simple cubic crystals, may not be so in the case of crystals of a Inore complex chemical composition and of a lower symmetry. It is thus desirable to combine several methods and so approach the problem from different directions.

Type
Research Article
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1925

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References

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