Question

    Which type of layer silicate clay minerals demonstrates

    a structure comprising two silica tetrahedral sheets and two magnesium-dominated tri-octahedral sheets?
    A Illite Correct Answer Incorrect Answer
    B Kaolinite Correct Answer Incorrect Answer
    C Montmorillonite Correct Answer Incorrect Answer
    D Chlorites Correct Answer Incorrect Answer
    E Vermiculite Correct Answer Incorrect Answer

    Solution

    Chlorites are characterized by a 2:1:1 structure involving two silica tetrahedral sheets and two magnesium-dominated tri-octahedral sheets.

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