Question

what product that contain corundum​

Answer 1

Answer:

Corundum, naturally occurring aluminum oxide mineral (Al2O3) that is, after diamond, the hardest known natural substance. Its finer varieties are the gemstones sapphire and ruby.And its mixtures with iron oxides and other minerals are called emery.

Answer 2

Corundums are used as gemstones in various pieces of jewelry.

• Corundums are minerals that typically contain some traces of chromium, vanadium, iron, and titanium and are a crystalline form of aluminum oxide.
• It is naturally transparent but can have a variety of colors due to the number of transition metal impurities present in its crystalline structure.
• Corundum is called ruby if it is red in color and all other colors except red are called sapphires which are used as gemstones.