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  2. Ruby - Wikipedia

    en.wikipedia.org/wiki/Ruby

    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]

  3. List of rubies by size - Wikipedia

    en.wikipedia.org/wiki/List_of_rubies_by_size

    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]

  4. Star of Burma - Wikipedia

    en.wikipedia.org/wiki/Star_of_Burma

    The Star of Burma is an 83-carat (16.6 g) cabochon-cut star ruby. In 1935, the Burmese ruby was purchased by Howard Hoeffer of jeweler Trabert & Hoeffer-Mauboussin, whereupon it was used in several Hollywood films in the 1930s, including the musical comedy Vogues of 1938. Trabert & Hoeffer-Mauboussin sold the jewel on September 14, 2004.

  5. Prince of Burma - Wikipedia

    en.wikipedia.org/wiki/Prince_of_Burma

    The Prince of Burma is an uncut ruby, crystallized on a marble deposit, weighing 190 g (approximately 950 carat), and, for the most part, of gem quality.One of the biggest and rarest rubies in the world [citation needed], it was found in the Dattaw-Mine in Mogok, Myanmar, in 1996.

  6. Sapphire - Wikipedia

    en.wikipedia.org/wiki/Sapphire

    Commercial mining locations for sapphire and ruby include (but are not limited to) the following countries: Afghanistan, Australia, Myanmar/Burma, Cambodia, China, Colombia, India, Kenya, Laos, Madagascar, Malawi, Nepal, Nigeria, Pakistan, Sri Lanka, Tajikistan, Tanzania, Thailand, United States, and Vietnam. Sapphires from different geographic ...

  7. Gemstone - Wikipedia

    en.wikipedia.org/wiki/Gemstone

    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.

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