Rubies – Birthstone for July – Where Do They Come From? Rubies have fascinated people for centuries. Their bright red color symbolizes everything from love to power. But there’s more to rubies than just their pretty appearance; they have a story that involves some basic science. These precious stones are made from a mix of certain elements and the Earth’s physical forces. Understanding how these elements work together will help us see how aluminum and oxygen can become a beautiful gemstone full of history and meaning. Read more.