EntityQ663314· pop 34· linked from 865 articleshexagonal crystal systemSign in to savelattice point groupConnectionscrystal systemEntitytourmalinesEntityboron nitrideEntityclose-packing of equal spheresEntityHermann–Mauguin notationEntitycentrosymmetryEntityironEntityzincEntityiceEntitydiamondEntityInternational Standard Book NumberEntitymineralEntityantimonyEntitybismuthEntitysemiconductorEntityrhombusEntitydigital object identifierEntityquartzEntityInternational Standard Serial NumberEntitygraphiteEntityCategoriesCrystal systems