+Ruby is a precious [gemstone](/wiki/Gemstone), famed for its vibrant red hue. A variety of [corundum](/wiki/Corundum), it is highly valued for its hardness and brilliance, often adorning crowns and fine jewelry.
+## See also
+- [Gemstone](/wiki/Gemstone)
+- [Mineral](/wiki/Mineral)
+- [Jewelry](/wiki/Jewelry)
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