Hindi corundum का अर्थ हिंदी में

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English corundum meaning in English  •  corundum का अर्थ अंग्रेजी में

Noun

• The mineral alumina (Al2O3), as found native in a crystalline state. Transparent varieties are used as gemstones, including sapphire, which is the fine blue variety; the oriental ruby, or red sapphire; the oriental amethyst, or purple sa