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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]
Corundum is a crystalline form of aluminium oxide (Al 2 O 3) typically containing traces of iron, titanium, vanadium, and chromium. [3] [4] It is a rock-forming mineral.It is a naturally transparent material, but can have different colors depending on the presence of transition metal impurities in its crystalline structure. [7]
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]
Gesicki becomes a top DFS play this week if Higgins remains out but in the five games Higgins was healthy, Gesicki posted (8, 1, 5, 0, and 1) PPR fantasy points. The Chargers defense has been ...
Nico Collins had two touchdown receptions and Houston’s defense forced four turnovers, highlighted by two fourth-quarter interceptions by Derek Stingley, to help the Texans to a 20-12 win over ...
The actress opened up about the traumatic event at a recent book event. Jennifer Love Hewitt is celebrating a lot this holiday season. Her new book Inheriting Magic is dropping on Dec. 10 ...
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The Sunrise Ruby. The Sunrise Ruby [1] [2] [3] has been the world's most expensive ruby, most expensive coloured gemstone, and most expensive gemstone other than a diamond [2] [3] [4] until the discovery of the Estrela de Fura. Originally mined in Myanmar, its current name is derived from a poem of the same name, written by the 13th-century ...