dihexagonal


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dihexagonal

[dī·hek′sag·ən·əl]
(crystallography)
Of crystals, having a symmetrical form with 12 sides.
References in periodicals archive ?
The davyne in Figure 11 shows 12 prism faces (either the first and second-order prisms or a dihexagonal prism), plus a hexagonal pyramid and small c-face.
Utilizing etch figures he determined the crystal class to be dihexagonal dipyramidal (6/mmm), and the axial ratio (c/a) to be 1.