octahedral /(ŏk`tȧ*hē"dral)/

oc·ta·he·dral

octahedral

a.
  1. Having eight faces or sides; of, pertaining to, or formed in, octahedrons; as, octahedral cleavage; an octahedral crystal.

Phrases & Compounds

octahedral borax
borax obtained from a saturated solution in octahedral crystals, which contain five molecules of water of crystallization; distinguished from common or prismatic borax.
Octahedral iron ore
magnetite.