![]() ![]() The color of a ruby is due to the element chromium. The word ruby comes from ruber, Latin for red. Ruby is one of the traditional cardinal gems, alongside amethyst, sapphire, emerald, and diamond. Other varieties of gem-quality corundum are called sapphires. Ruby is one of the most popular traditional jewelry gems and is very durable. A ruby is a pinkish red to blood-red colored gemstone, a variety of the mineral corundum ( aluminium oxide). ![]()
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