paramorph

Noun

par=a=morph

CIDE DICTIONARY

paramorph, n. [Pref. para- + Gr. morfh` form.].

A kind of pseudomorph, in which there has been a change of physical characters, by a change in crystal structure without alteration of chemical composition, as the change of aragonite to calcite; called also allomorph. [1913 Webster]
A taxonomic variant observed within a species, for which a more specific term has not been assigned. [PJC]

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