What is a sapphire? *
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Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminium oxide with trace amounts of elements such as iron, titanium, chromium, vanadium, or magnesium.
Color: Blue, Black, White, Yellow, Green, etc
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Explanation:
Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminium oxide (α-Al2O3) with trace amounts of elements such as iron, titanium, chromium, vanadium, or magnesium. Red corundum stones also has similar process but are called rubies not sapphires.
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