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Structural aspects of the hisingerite - neotocite series.

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1983

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Abstract

TEM, X-ray radial distribution function analysis, chemical analysis, X-ray absorption edge spectroscopy, and Mossbauer spectroscopy combine to confirm an amorphous or gel structure for minerals of the hisingerite - neotocite series: (Fe,Mn)0.8SiO3.1.2H2O. A framework of (Fe,Mn)O6 octahedra and (SiO4) tetrahedra forms hollow spheres, 50-100 A in diameter, cross-bonded into a physically isotropic solid with as much as 10% interconnected pore space. The outer 10-20 A of the spheres has a rudimentary structure, possibly marking the onset of segregation into Si-rich and (Fe,Mn)-rich layers. The Broken Hill mineral 'sturtite' is an intermediate member of the hisingerite - neotocite series. (Authors' abstract) -D.J.M.

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https://dspace-test.anu.edu.au/handle/1885/733738004

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DevOps Pure Testing

Source

Clay Minerals

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Article

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DOI

10.1180/claymin.1983.018.1.03

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