An application of infrared and Raman spectra to mineralogy

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Authors:Iishi, Kazuaki
Author Affiliations:Primary:
Yamaguchi Univ., Dep. Miner. Sci. and Geol., Yamaguchi, Japan
Volume Title:Kobutsugaku Zasshi Journal of the Mineralogical Society of Japan
Source:Kobutsugaku Zasshi = Journal of the Mineralogical Society of Japan, 16(4), p.327-348. Publisher: Nippon Kobutsu Gakkai; Japan Publications Trading Co., Ltd., Tokyo, Japan. ISSN: 0454-1146
Publication Date:1984
Note:In Japanese with English summary. 55 refs.; illus. incl. 6 tables
Summary:The applications of infrared, far-infrared and Raman spectra to mineralogy are described. Problems of peak assignment are discussed by comparing the assignments determined by lattice dynamic calculations with those deduced from isotropic shifts. These assignments make it possible to predict the intracrystalline cation site preferences in olivine. The mode-softening mechanism and the abnormal behaviour of elastic constants near the alpha -beta quartz transition T are explained by the contribution of potential energy terms to the potential energy. The emphasis is upon the nature of chemical bond in crystals. The effective charges deduced from the thermochemical, spectroscopic and molecular orbital theories and accurate structure factors are compared with those determined by lattice dynamic calculations. The theoretical advances of the lattice dynamic calculation including the effect of the width of the atomic electron distribution provide a fundamental understanding of the chemical bond in silicates, because a wide range of physical properties is estimated by lattice dynamics. [T.Y.]
Subjects:Applications; Bonding; Cations; Crystal chemistry; Crystal structure; Crystallography; Infrared spectroscopy; Lattice parameters; Methods; Mineralogy; Minerals; Nesosilicates; Olivine; Olivine group; Orthosilicates; Raman spectroscopy; Silicates; Spectroscopy; Electron distribution
Abstract Numbers:86M/4230
Record ID:1985013324
Copyright Information:GeoRef, Copyright 2019 American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United Kingdom, Twickenham, United Kingdom
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