Nov 02, 2012· Answers. Best Answer: Bauxite is a sedimentary rock group of various aluminium oxides, a principal ore of aluminium, found in France and Jamaica. Bauxite is often formed when aluminiumrich clays are carried away and deposited elsewhere. Bauxite was named after the place where it was first found, Les Baux in France. It has a relative hardness of 1 to 3.