Corundum var. Ruby
The name ruby comes from the Latin word "rubeus", which means "red". It is a variety of corundum with an admixture of chromium. The oldest written records of ruby mining mention the mines in Myanmar, from which these beautiful minerals got to ancient Greece, Egypt and other countries. Burmese rubies are still considered the most valuable in the world - they have the so-called color of pigeon blood, and many of them also fluoresce red in visible light.
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The name ruby comes from the Latin word "rubeus", which means "red". It is a variety of corundum with an admixture of chromium. The oldest written records of ruby mining mention the mines in Myanmar, from which these beautiful minerals got to ancient Greece, Egypt and other countries. Burmese rubies are still considered the most valuable in the world - they have the so-called color of pigeon blood, and many of them also fluoresce red in visible light.