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What is a crystal face?
How are crystal faces designated?
Are crystal faces flat?
What is the difference between a cleavage plane and a crystal face in a mineral?
Its 12 faces are regular pentagons, with axes of fivefold rotational symmetry passing through them. That is to say, rotations about this axis by 72° leave the ...
i. One of the several flat or plane exterior surfaces of a crystal. See Also: crystal ii. A planar surface developed on a crystal during its growth.