Corundum is the most common naturally occurring crystalline form of aluminium oxide. Rubies and sapphires are gem-quality forms of corundum, which owe their characteristic colours … See more

Al2O3 is an electrical insulator but has a relatively high thermal conductivity (30 Wm K ) for a ceramic material. Aluminium oxide is insoluble in … See more

Aluminium hydroxide minerals are the main component of bauxite, the principal ore of aluminium. A mixture of the minerals comprise bauxite ore, including gibbsite (Al(OH)3), See more

Known as alpha alumina in materials science, and as alundum (in fused form) or aloxite in mining and ceramic communities, aluminium oxide … See more

The field of aluminium oxide ceramics has a long history. Aluminium salts were widely used in ancient and medieval alchemy. … See more

The most common form of crystalline aluminium oxide is known as corundum, which is the thermodynamically stable form. The oxygen ions form a nearly hexagonal close-packed structure with the aluminium ions filling two-thirds of the octahedral … See more

• Aluminium oxide nanoparticle
• Bauxite tailings
• Beta-alumina solid electrolyte, a fast ion conductor See more