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A descriptive term for external shape.
Also known as: External form notation, Habit description
The vocabulary of terms naming the characteristic external shape a crystal grows into, distinct from its internal symmetry.
Names the characteristic external shape a crystal grows into.
Contexts: Laboratory
Describes growth rather than symmetry: two crystals of one substance may have different habits and identical space groups, so habit is not diagnostic of structure.
Contexts: Laboratory
A named descriptive term rather than a drawn mark, such as a term for a needle-like or a plate-like outline.