which mineral causes high swelling in the clay soil?

Montmorrilonite causes high swelling in the clay soil ..... clay soil have Kaolinite,montmorrilonite & Illite minerals in that kaolinite is more stable, montmorrilonite is weak which causes swelling & Illite varies between these two

Your Answer

The amount of certain clay minerals that are present, such as montmorrilonite directly affects the shrink-swell capacity of soil.

Civil Engineering

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