Alumina is a common material, actually has its ingredient in many
Alumina is aluminum and oxygen compounds, chemical formula for
Al2O3.In the mining industry, ceramics industry, and materials science is
also known as alumina.
Ruby, sapphire, the main ingredients of alumina, because other
impurities present different colour and lustre, containing iron
oxide and titanium oxide and a blue sapphire.
Principal component in aluminium, iron, bauxite the highest content
of alumina.Industry, iron and aluminum oxide writing by Bayer process and
purification for alumina, again by Hall - Heroult process into
Alumina is quite practical materials!