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Ruby is a pinkish red to blood-red colored gemstone, a variety of the mineral corundum (aluminium oxide). Ruby is one of the most popular traditional jewelry gems and is very durable. Other varieties of gem-quality corundum are called sapphires. Ruby is one of the traditional cardinal gems, alongside amethyst, sapphire, emerald, and diamond. [3]
RWBY (pronounced "Ruby") [6] is an American anime-influenced 3D computer-animated web series created by Monty Oum for Rooster Teeth. [7] [8] It is set in the fictional world of Remnant, where young people train to become warriors ("Huntsmen" and "Huntresses") to protect their world from monsters called Grimm.
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. [1]
Rubies have been popular across the ages for their beauty and symbolism. "Many gemstones represent love and passion, but rubies make an incredibly compelling case for the top spot,” says Harris.
Ruby was the first gemstone to be synthesized by Auguste Verneuil with his development of the flame-fusion process in 1902. [59] Synthetic corundum continues to be made typically by flame-fusion as it is most cost-effective, but can also be produced through flux growth and hydrothermal growth.
Star sapphires and rubies display the property from titanium dioxide impurities present in them. [2] The star-effect or "asterism" is caused by the difference in refractive index between the host material and that of the dense inclusions of tiny fibers of rutile (also known as "silk").
Ruby is a predominantly feminine given name taken from the name of the gemstone ruby. The name of the gemstone comes from the Latin rubinus, meaning red. [1]
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