Encyclopediaalundum:alundum: see alumina. The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2007, Columbia University Press. All rights reserved. More on alundum from Fact Monster:
- alumina - alumina alumina or aluminum oxide,Al2O3, chemical compound with m.p. about 2,000°C and sp. gr. ...
- bauxite - bauxite bauxite , mixture of hydrated aluminum oxides usually containing oxides of iron and silicon ...
- Encyclopedia: Mineralogy and Crystallography - Encyclopeadia articles concerning Mineralogy and Crystallography.
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