Sapphire Stone Properties Sapphire Chemical Formula Corundum is also valued for the asterism or the star effect phenomena - it appears as a six-ray pattern across a cabochon-cut stone’s curved surface. These huge ranges of color attract a lot of gem and jewelry enthusiasts who want the perfect combination of tradition and class. This is one of the most romantic gemstones known for providing a lot of love, wealth and fame. Sapphires other than blue are also termed as fancy colors and are scarce, most commonly gray, black or brown colored stones. Some of the Sapphire’s exhibit the color change phenomenon which means they reflect blue color during the day and fluorescent to purple under incandescent light. Its rich history and tremendous fan following come in almost all shades of rainbow other than red. This precious gemstone has gained a lot of popularity and fame over the past. Sapphire jewelry, natural or manmade, is safe to clean in chemical jewelry cleaners, ultrasonic cleaners, and steam cleaners.Sapphire is one of the two precious gemstones from the Corundum family. The stone ranks 9 on the Mohs hardness scale and is highly scratch resistant as a result it also is resistant to chipping or breaking due to being tough as well. Sapphire is an incredibly durable stone that is excellent for everyday wear. Sapphire is the official birthstone for the month of September. This is an accepted practice in the industry, and it is best to assume ALL sapphire has been heat treated unless otherwise proven by a trusted independent laboratory report. Most sapphire available on the market is heat treated. Color changing varieties do exist, as well as stones that display "asterism," a term for when reflected light creates a star effect in the stone. Other popular colors in the trade include yellow, pink, and white sapphire. Another notable variety of corundum is "padparadscha sapphire," a sunset, salmon pink sapphire from Sri Lanka, Madagascar, and Tanzania. This means that all rubies are a particular shade of red sapphire. Like ruby, sapphire is a member of the "corundum" family. While many know sapphire to be blue, the gemstone forms naturally in any shade and saturation of color on the color spectrum. The Setting: Cast Prong and Channel Set Ring A Bit About The Piece: Marquise cut sapphire ring set with steps of round cut diamonds in yellow gold.
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