1) Automorphic 
having a unique or distinct form
• (a.) Idiomorphous.
Id`i·o·morph'ic adjective Idiomorphous. 
idiomorphic, idiomorphous, idiomorphism 1. The state or quality of having a peculiar or characteristic form; uniqueness, or individuality in form. 2. Having its own characteristic form; specifically, having its characteristic crystallographic faces:;said of one of the constituent minerals of a rock.
(in a rock) noting or pertaining to a mineral constituent having its own characteristic outward crystalline form unaltered by the other constituents of the rock; automorphic. · having its own characteristic form.