> Aluminum is the most abundant metal on earth Not technically true, since almost all natural aluminum exists in oxide form, not metal. The process of turning

> Aluminum is the most abundant metal on earth Not technically true, since almost all natural aluminum exists in oxide form, not metal. The process of turning Al2O3 into metallic Aluminum is incredibly energy intensive, requiring temperatures of over 1,000 degrees Celsius and some seriously heinous chemicals (HF among them).