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Question: as you have learned in class the bonds within a...

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As you have learned in class, the bonds within a silica tetrahedra are usually stronger than the bonds with the cations in the structure. Knowing this information, please indicate where you would expect a cleavage plane to exist (i.e. where would the mineral break?) in the following mineral structure. (This diagram is a representation of the structure of the common rock forming mineral biotite. The gray triangles represent the silica tetrahedra and the yellow circles represent the potassium cations.) 2. N-3 St A4 Al

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