In the gem trade, Sapphire without any color prefix refers to the blue variety of the mineral Corundum. It is a very desirable gemstone due to its excellent color, hardness and luster. Sapphire is the most precious and valuable blue gemstone. Mother Nature is truly amazing! Is this your beautiful birthstone? Sapphires can even be gray, black, or brown. Some stones exhibit the phenomenon known as color change, most often going from blue in daylight or fluorescent lighting to purple under incandescent light.
Did you know Sapphires come in all colors of the rainbow? Besides blue sapphire and ruby, the corundum family also includes so-called “fancy sapphires.” They come in violet, green, yellow, orange, pink, purple! There are also “parti-colored” sapphires that show combinations of different colors.
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