Wedge-shaped band
Jul 05, 2018

The wedge-shaped band refers to the progressive dehydration of the mica sheet from the edge to the center, so that the edge of the sheet is wedge-shaped. During the release process of potassium, the particle edge of the potassium containing mineral is first expanded, which leads to the gradual opening of the edge layer of the particles, and the edge breakage is followed by the wedge-shaped band. The wedge band increases with the opening and decreases with the opening of the layer.

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