SEARCH Articles Figures Tables Close packing Close packing structure Closed packed hexagonal Closed packing Closed-packed structure Crystal close packing Crystal close-packed Crystal hexagonal Crystal structure packing Hexagonal Hexagonal close pack Hexagonal close packing Hexagonal closed-pack Hexagonal crystal structur Hexagonal structure crystallization) Hexagonally close-packe Hexagonally closed packed Hexagons Packed structures Packings structure Structural packing Structures hexagons