References

http://en.wikipedia.org/wiki/Bauxite
http://en.wikipedia.org/wiki/Gibbsite
http://en.wikipedia.org/wiki/Boehmite
http://en.wikipedia.org/wiki/Diaspore
http://en.wikipedia.org/wiki/Goethite
http://en.wikipedia.org/wiki/Hematite
http://en.wikipedia.org/wiki/Kaolinite
http://en.wikipedia.org/wiki/Anatase
http://en.wikipedia.org/wiki/Bayer_process
http://www.chemguide.co.uk/inorganic/extraction/aluminium.html
http://www.mii.org/minerals/photoal.html
http://www.elmhurst.edu/~chm/vchembook/327aluminum.html
http://sam.davyson.com/as/physics/aluminium/siteus/extraction.html
http://en.wikipedia.org/wiki/Surface_mining
http://en.wikipedia.org/wiki/Hall%E2%80%93H%C3%A9roult_process
http://entrancechemistry.blogspot.sg/2011/05/extraction-of-aluminium-from-bauxite.html
http://en.wikipedia.org/wiki/Aluminium_oxide
http://en.wikipedia.org/wiki/Red_mud
http://geology.com/minerals/bauxite.shtml
http://sam.davyson.com/as/physics/aluminium/siteus/resources/bayerpro.jpg
http://en.wikipedia.org/wiki/File:Bayer-process-en.svg
http://en.wikipedia.org/wiki/Aluminium_recycling
Video reference
http://www.youtube.com/watch?v=pMKgD6fHS-4