FIGURE 2.10 Dissolution of minerals. Experiments reveal the detailed
processes controlling mineral-water interfaces, with the molecular arrangement
of aluminum within the water (• in A) being found to closely match that at the
surface of a -alumina crystal (• in B). Shaded octahedra and tetrahedra
represent AlO 6 and AlO 4 molecular units, respectively. SOURCE: B.L. Phillips,
W.H. Casey, and M. Karlsson, Bonding and reactivity at oxide mineral surfaces
from model aqueous complexes, Nature, v. 404, p. 379-382, 2000. Reprinted by
permission from Nature copyright 2000 Macmillan Magazines Ltd.
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