Bauxite:
A natural aggregate of aluminum-bearing minerals, more or less
impure, in which the aluminum occurs largely as hydrated oxides. It is usually
formed by prolonged weathering of aluminous rocks.
Properties :
White cream, Yellow, Brown, Gray, or Red.
hardness 1-3. Insoluble in water; decomposed by hydrochloric acid. Non
combustible.
USE :
Most important ore of aluminum, aluminum chemicals, abrasives, aluminous
cement, refractory, decolorizing and deodorizing agent, catalysts, filler in
rubber, plastics, paints, cosmetics, hydraulic fracturing.
