Surface Charge Heterogeneity in Amphibole Cleavage Fragments and Asbestos Fibers

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Science  26 Sep 1980:
Vol. 209, Issue 4464, pp. 1530-1532
DOI: 10.1126/science.209.4464.1530


Aspect ratio and electrophoretic mobility data for amphibole particles reveal that short fibers and blocky cleavage fragments have a smaller net charge than highly elongated particles. Asbestos fibers and cleavage fragments of the same dimensions exhibit the same net negative surface charge but positively charged ends and negatively charged lateral surfaces.