A comparison of the transformation of polymorphs leads to a twofold classification: (1) polymorphs directly convertible in a reversible manner - termed " enantiotropic " by O.
It is a dimorphous substance existing in two enantiotropic forms, one melting at 26° C. and the other at 48° C. (Th.
Hemihedral forms are of special importance in crystallography, to which article the reader is referred for a fuller explanation of these and other modifications of polyhedra (tetartohedral, enantiotropic, &c.).
It is a dimorphous substance existing in two enantiotropic forms, one melting at 26Ã‚° C. and the other at 48Ã‚° C. (Th.
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