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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]
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 ] The ruby is the birthstone for the month of July.
Ruby is an interpreted, high-level, general-purpose programming language. It was designed with an emphasis on programming productivity and simplicity. In Ruby, everything is an object, including primitive data types. It was developed in the mid-1990s by Yukihiro "Matz" Matsumoto in Japan.
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.
The five cardinal gems. Clockwise from top: sapphire, ruby, emerald, amethyst, diamond. Cardinal gems are gemstones which have traditionally been considered precious above all others. The classification of the cardinal gems dates back to antiquity, and was largely determined by ceremonial or religious use as well as rarity. [1]
Ruby 1.8 was initially released August 2003, was stable for a long time, and was retired June 2013. [54] Although deprecated, there is still code based on it. Ruby 1.8 is only partially compatible with Ruby 1.9. Ruby 1.8 has been the subject of several industry standards.
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Among the first few treasures that emerged was the kaustubha, described to be an "excellent gem, the lotus-hued ruby". [3] The Skanda Purana describes the nature of this gem: [4] From the ocean that was being churned emerged a highly refulgent, extremely bright, most excellent gem having the brilliance of the Sun. It was called Kaustubha.