Aluminium or aluminum (in North American English) is a chemical element in the boron group with symbol Al and atomic number 13.
It is a silvery-white, soft, nonmagnetic, ductile metal. Aluminium is the third most abundant element in the Earth's crust
(after oxygen and silicon) and its most abundant metal.
Aluminium makes up about 8% of the crust by mass, though it is less common in the mantle below.
source: Wikipedia

[0315 x8] Blank cast aluminum dice (D4, D6, D8, D12, D14, D20, D26, D32), 18-32 mm

[0427 x5] A beautiful aluminium spanish poker set, 16.7 mm

[0614 x5] Nicely machined set of five aluminium D6's in their box, 16.3 mm

[1549 x5] Set of gold-coloured aluminium D6's in their box, China, 16 mm