dihexagonal-dipyramidal

dihexagonal-dipyramidal

[dī·hek′sag·ən·əl dī·pir·ə′mid·əl]

(crystallography)

Characterized by the class of crystals in the hexagonal system in which any section perpendicular to the sixfold axis is dihexagonal.

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.