What's the difference between macrodiagonal and macropinacoid?

Macrodiagonal

Definition:

• (n.) The longer of two diagonals, as of a rhombic prism. See Crystallization.

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Macropinacoid

Definition:

• (n.) One of the two planes of an orthorhombic crystal which are parallel to the vertical and longer lateral (macrodiagonal) axes.

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