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The shape and orientation of the bright {110} face provide the easiest way to deduce that the surrounding faces are {113}. {112} would give the same diamond shape with angles of 70.5° and 109.5° but oriented the other way, acute corners towards the cube face. {114} and higher forms would cut narrower rhombs out of the {110} face. (Author: Gerhard Niklasch)

The shape and orientation of the bright {110} face provide the easiest way to deduce that the surrounding faces are {113}. {112} would give the same diamond shape with angles of 70.5° and 109.5° but oriented the other way, acute corners towards the cube face. {114} and higher forms would cut narrower rhombs out of the {110} face. (Author: Gerhard Niklasch)

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