Ruby is July's Birthstone

Rubies are a red form of the mineral corundum. All other colors of corundum are sapphires. Large gem-quality diamonds, emeralds, and sapphires are scarce, but rubies are the rarest of all.

Old-School Myths

Some people thought rubies contained the spark of life. Many believed that the gems glowed from within and that royalty and gods used rubies to light their homes. That also meant that the stones couldn't be stolen.

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Rocks and minerals