File:Me-vernadite root coating.jpg

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Summary

Description
English: The MnO2 layer charge deficit due to vacant Mn4+ layer sites and to Mn3+ for Mn4+ layer substitutions is balanced by interlayer Zn and Mn above and/or below layer vacancies, and by Ca in the interlayer mid-plane.
Date
Source Own work
Author Alain Manceau

Modified after Lanson et al.: Formation of Zn–Ca phyllomanganate nanoparticles in grass roots. Geochim. Cosmochim. Acta, 2008, 72, 2478-2490.

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Captions

Idealized structure for Zn-rich vernadite nanosheets precipitated in the epidermis of grass roots.

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current13:50, 25 September 2021Thumbnail for version as of 13:50, 25 September 20212,504 × 1,472 (425 KB)Malthus Jr.Uploaded own work with UploadWizard
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