The ruby is a form of the mineral corundum, as is sapphire The only difference between sapphires and rubies are color. Ruby is the birthstone for the month of July. Along with sapphire, emerald and diamond, it is one of the four precious stones.Rubies are one of the hardest gemstones ever found. The deep red color of ruby is what makes it so desirable. Rubies when set in necklaces and earrings looks stunning.
Ruby- An eternal gemstone
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