ALL MOLECULAR GRAPHICS: precious metals: gold: atomic arrangement (crystal structure)
(above) gold #1 atoms arranged in a face centred cubic patterngold: precious metal whose atoms are arranged in closely packed hexagonal layers. First and fourth layers are in line with each other. This gives what is known as a face centred cubic pattern or cubic close packing. Gold is unreactive.
Image is 500 pixels across, the originals are 4096 pixels across.
(above) gold #2 atoms autumnal reflection
(above) gold #3 atoms close up of face centred cubic pattern
(above) gold #4 atoms on black
(above) gold #5 atoms on white