Generalized relationships between the ionic radii of octahedral cations and the b crystallographic parameter of clays and related minerals
Sabine Petit,
Alain Decarreau,
Brian Grégoire
et al.
Abstract:Over several decades, a wealth of literature has been devoted to correlations between the chemistries of phyllosilicates and their crystallographic unit-cell parameter values. The c parameter is currently used because of its relation to the layer-to-layer distance, characteristic of the various families of phyllosilicates. The b parameter is also of interest because it allows measurement of the layer lateral dimensions and inherent structural adjustments. This unit-cell distance can be extracted from X-ray dif… Show more
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