SEARCH Articles Figures Tables Close packing Closed packed hexagonal Closed packing Hexagon lattice Hexagonal Hexagonal close pack Hexagonal close packing Hexagonal close-packed lattice interstitial holes Hexagonal close-packed lattice unit cell Hexagonal closed-pack Hexagonal lattice Hexagonally close-packe Hexagonally closed packed Hexagons Interstitial Sites in the Hexagonal Close-Packed Lattice Lattice packings