Aluminum oxide bag 25, wholesale, as a mineral, is called corundum. Large transparent crystals of corundum are used as precious stones. Due to impurities, corundum is colored in different colors: red corundum (containing chromium impurities) is called ruby, blue, traditionally - sapphire. According to the rules adopted in jewelry, sapphire is called crystalline - aluminum oxide of any color, except for red. Currently, jewelry corundum crystals are grown artificially, but natural stones are still valued higher, although they do not differ in appearance.
The chemical formula is Al2O3.
Where is it applied?
As a refractory material;
As catalysts, adsorbents, inert fillers in physical research and chemical industry.
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