This article is about the ore. For the town in Arkansas, see Bauxite, Arkansas.
Bauxite with US penny for comparison
QEMSCAN mineral maps of bauxite ore-forming pisoliths
Bauxite in Les Baux-de-Provence, France
Bauxite with core of unweathered rock
O of the minerals gibbsite Al(OH)3, boehmite γ-AlO(OH) and diaspore α-AlO(OH), mixed with the two iron oxides goethite and haematite, the clay mineral kaolinite and small amounts of anatase TiO2. In 1821 the French geologist Pierre Berthier discovered bauxite near the village of Les Baux in Provence, southern France.[1] In 1861, French chemist Henri Sainte-Claire Deville named the mineral "bauxite