Bauxite is a sedimentary rock with a relatively high aluminium content. It is the world's main source of aluminium and gallium. Bauxite consists mostly of the aluminium minerals gibbsite, boehmite, an
Reddish-brown bauxite
Bauxite with US penny for comparison
Bauxite with core of unweathered rock
One of the world's largest bauxite mines in Weipa, in northern Queensland, Australia
Aluminium or aluminum is a chemical element; it has symbol Al and atomic number 13. It has a density lower than other common metals, about one-third that of steel. Aluminium has a great affinity towar
Bauxite
…Bauxite ( ) is a sedimentary rock with a relatively high aluminium content. It is the world's main source of aluminium and gallium. Bauxite consists mostly of the aluminium minerals gibbsite (Al(OH)3), boehmite…
Three 1.0 pound (0.454 kg) bullion ingots of triple nine aluminium, iron, and copper etched with their scientific details.