SEARCH Articles Figures Tables Close packing Close packing structure Closed Type Closed packing Closed-packed structure Cr3Si Examples of structures Examples packing Packed structures Packing structured type Packings phase Packings structure Packings, types Phase tetrahedric Phase, types Structural packing Structure of phases Structures of type Tetrahedral structure Tetrahedrally close-packed structures Tetrahedrally close-packed structures type)