Mössbauer spectra of synthetic Ca-Fe pyroxenoids and lunar pyroxferroite

Details Mössbauer spectra of synthetic Ca-Fe pyroxenoids and lunar pyroxferroite Mössbauer spectra of synthetic Ca-Fe pyroxenoids and lunar pyroxferroite

Sep 1974

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974comp...48..229d&link_type=abstract

Contributions to Mineralogy and Petrology, Volume 48, Issue 3, pp.229-232

Physics

Scientific paper

Resolution of the iron sites in the Mössbauer spectra of Ca-Fe pyroxenoids is only partial, two doublets being apparent in each case, whereas there are up to nine cation sites in each structure. Thus the inner and outer doublets represent, respectively: two sites and two sites in Ca0.5Fe0.5SiO3 (ferrobustamite); five sites and two sites in Ca0.15Fe0.85SiO3 (pyroxferroite); and five sites and four sites in FeSiO3 (ferrosolite III). Disorder of iron and calcium which exists in the two calcium-bearing pyroxenoids is not readily apparent in the spectra.

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