DIRK WIERSMA / SCIENCE PHOTO LIBRARY DIRK WIERSMA / SCIENCE PHOTO LIBRARY
Bauxite, aluminium ore. Macrophotograph of bauxite, the mineral that is the principal ore of aluminium. It is not a true mineral, instead consisting of a mixture of various aluminium oxides. It is mined primarily in Australia, Russia, Brazil and some areas around the Caribbean Sea. This sample is from Beaux, France, where is was first described by P. Berthier in 1821. The mineral was later named after the town by P.A. Dufrenoy in 1847.
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