Molar mass: 101.94
Density (g cm
The space lattice of Al
belongs to the rhombohedrally centered hexagonal lattice D
, with aZ
0.513 nm, aZ558 06
, Al-OZ0.189 nm (three bonds), Al-OZ0.193 nm (three bonds), and
O-OZ0.249 nm. It contains two molar units within a unit cell.