Corundum, derived from India, is a mineralogical name. There are three main variants of corundum Al2O3 anomaly: α-Al2O3, β-Al2O3, and γ-Al2O3. Corundum is second only to diamond in hardness.

Corundum color

Pure corundum is colorless and shows different colors when it contains different trace elements.
Corundum is very rich in color, almost including the visible spectrum of red, orange, yellow, green, cyan, blue, and purple.

The origin of Corundum

The name Corundum originates from India and is a mineralogical name. Ruby and Sapphire are gemologically qualified gemstones. Myanmar, Sri Lanka, Thailand, Vietnam, and Cambodia are the world’s most important suppliers of high-quality rubies and sapphires. Other producing countries include China, Australia, the United States and Tanzania.

Corundum display video

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