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2. Rosser Reeves Ruby - Wikipedia

   en.wikipedia.org/wiki/Rosser_Reeves_Ruby

   At the time the ruby then weighed just over 140 carats (28 g), but was very heavily scratched, and a few carats were removed in the re-polishing. The re-polishing also helped to center the stone's star. Articles in the New York World-Telegram and The Sun in 1953 mentioned this fabulous gemstone. The Rosser Reeves Ruby is on display at the ...

3. 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]

4. Sapphire - Wikipedia

   en.wikipedia.org/wiki/Sapphire

   A star sapphire is a type of sapphire that exhibits a star-like phenomenon known as asterism; red stones are known as "star rubies". Star sapphires contain intersecting needle-like inclusions following the underlying crystal structure that causes the appearance of a six-rayed "star"-shaped pattern when viewed with a single overhead light source.

5. DeLong Star Ruby - Wikipedia

   en.wikipedia.org/wiki/DeLong_Star_Ruby

   The Edith Haggin DeLong Star Ruby . The DeLong Star Ruby, a 100.32-carat (20.064 g) oval cabochon star ruby, was discovered in Burma in the 1930s. [1] It was sold by Martin Ehrmann to Edith Haggin DeLong for US$21,400, who then donated it to the American Museum of Natural History in New York City in 1937.

6. 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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