alum is taken from bauxite ore

Aluminum | Minerals Education Coalition Bauxite ore is the main source of aluminum and contains the aluminum minerals gibbsite, boehmite, and diaspore. Aluminum is used in the United States in packaging, transportation, and building. Because it is a mixture of minerals, bauxite itself is a rock, not a mineral. Largest Bauxite producing country 2017 | Statista Bauxite is a type of aluminum ore and is one of the main sources of aluminum in the world. Worldwide bauxite mine production To produce aluminum, bauxite is crushed and . aluminium (US: aluminum) Saving of raw materials and particularly electrical energy by not having to extract the aluminium from the bauxite. Recycling aluminium uses only about 5% of the energy used to extract it from bauxite. Avoiding the environmental problems in the extraction of aluminium from the bauxite.    Read More