crystal habit
Noun
Meaning
crystal habit (plural crystal habits)
(crystallography) The characteristic external shape of an individual crystal or crystal group.
Examples
Tectosilicates hatnote Natrolite is a mineral series in the zeolite group; this sample has a very prominent acicular crystal habit.
Dyar and Gunter, pp. 112 Several amphibole mineral species can have an asbestiform crystal habit.
Finally, a mineral variety is a specific type of mineral species that differs by some physical characteristic, such as colour or crystal habit.