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Fig. 8 | Geochemical Transactions

Fig. 8

From: The formation of spinel-group minerals in contaminated soils: the sequestration of metal(loid)s by unexpected incidental nanoparticles

Fig. 8

a Selected mineral surface coatings on an agglomerate of mainly Ca–Mg rich amphibole grains, the area selected for FIB extraction is indicated with a red rectangular; b, c TEM and EDS-STEM images of an area containing a Zn-Fe-Sb spinel; d TEM image of an elongated prismatic Zn-Fe-Sb spinel crystal; the outline of the crystal is depicted below the image; e selected area diffraction pattern indicating well define diffractions spots along the reciprocal a* axis; colours of the elements in the chemical distribution map and d-spacings and (hkl) indices are labelled accordingly in c and e

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