The country has almost half of the world's bauxite reserves and is the second-largest bauxite producer.
bauxite is an ore used in the manufacture of aluminum.
British Dictionary definitions for bauxite
a white, red, yellow, or brown amorphous claylike substance comprising aluminium oxides and hydroxides, often with such impurities as iron oxides. It is the chief ore of aluminium. General formula: Al2O3.nH2O
C19: from French, from (Les) Baux in southern France, where it was originally found
(bôk'sīt') A soft, whitish to reddish-brown rock consisting mainly of hydrous aluminum oxides and aluminum hydroxides along with silica, silt, iron hydroxides, and clay minerals. Bauxite forms from the breakdown of clays and is a major source of aluminum.