BAUXITE

Cooley's Cyclopedia of Practical Receipts and Collateral Information · 1880 · p. 13

A ferruginous aluminic hydrate containing 55·4 per cent. of alumina and 44·5 of ferric oxide. It is met with in roundish ma es in the crystalline limestone of Baux (hence its name) near Arles, in France. Bauxite is one of the sources of alum.