Corundum, Al2O3
Spinel, MgAl2O4
Hercynite, FeAl O
2 4
Hercynite, FeAl2O4
Galaxite, MnAl2O4
Gibbsite, Al(OH)3
Diaspore, AlO(OH)
Boehmite, AlO(OH
Bayerite, Al(oH)3
Corundum, Al2O3Spinel, MgAl2O4Hercynite, FeAl O2 4Hercynite, FeAl2O4Galaxite, MnAl2O4Gibbsite, Al(OH)3Diaspore, AlO(OH)Boehmite, AlO(OHBayerite, Al(oH)3
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