Where do rubies come from?

A ruby is a pink to blood-red colored gemstone, a variety of the mineral corundum (aluminium oxide). Other varieties of gem-quality corundum are called sapphires. Ruby is one of the traditional cardinal gems, together with amethyst, sapphire, emerald, and diamond.[3] The word ruby comes from ruber, Latin for red. read more

A ruby is a pink to blood-red colored gemstone, a variety of the mineral corundum (aluminium oxide). The red color is caused mainly by the presence of the element chromium. Its name comes from ruber, Latin for red. Other varieties of gem-quality corundum are called sapphires. read more

The most renowned rubies typically form in marble, which is created by heat and pressure acting on limestone. Called “marble-hosted,” by gemologists, these rubies lack iron and have a higher concentration of chromium. Because of this, these rubies may fluoresce red under ultraviolet light, which can intensify their color. read more