Its red and blue varieties are well-known as ruby and sapphire. Ruby is the red variety, and Sapphire is the variety that encompasses all other colors, although the most popular and valued color of Sapphire is blue. Ruby and Sapphire are scientifically the same mineral, but just differ in color. Corundum is a rock-forming mineral composed of aluminum oxide. Corundum is best known for its gem varieties, Ruby and Sapphire. The word "corundum" derives from the Tamil word "Kurundam" which originally comes from the Sanskrit word "Kuruvinda" meaning ruby. 5 Likes, 2 Comments - Gemstone Minimalist (gemstone. Our selection of dyed corundum has the appearance of popular and desirable statement jewels, and is our way of bringing you a big look at a very affordable price. While you'll be pleased to find a plethora of fine ruby jewelry and sapphire jewelry within the Ross-Simons collection, you will also be delighted to discover beautiful and affordable dyed corundum jewelry pieces, as well. Additionally, naturally colorless or pale-colored corundum is sometimes dyed to achieve vibrant and desirable colors. This process gives the gemstone's color a more enhanced appearance by exposing it to very high heated temperatures. Natural rubies and sapphires may have their color deepened through the process of heat treatment. This quality could certainly contribute to its popularity in the world of jewelry, as the hardness of the gemstone lends itself to use in a variety of interesting and beautiful fine jewelry styles and settings. Sapphires are well known among the general public as being blue, but can be nearly any color. Corundum is a relatively hard mineral, coming in at a nine on the Mohs gemstone hardness scale. The non-red variety of corundum is Sapphire.
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