![]() Pink gemstones are quite popular in general and the pink sapphire is no exception. Most gem-grade color-change sapphire is found in Tanzania, though it has been found in a number of other sapphire producing localities. The more pronounced the color change, the more valuable the sapphire will be. They will be blue under natural sunlight and purple under incandescent light. This is a rare variety of sapphire and it shows different colors under different light. The blue sapphire is the birthstone for September. The most valuable blue sapphires have a slight violet or purple hue to them, this deepens the blue color. The blue color is usually caused by traces of titanium and iron. Blue Sapphireīlue is by far the most popular sapphire color. A pure sapphire is actually colorless and it is only through impurities that a sapphire gains its color. Sapphires are a gem quality variety of corundum. ![]() However, what many don’t realize is that sapphires come in a large variety of colors. When you mention the word sapphire, most people immediately think of beautiful deep blue gemstone.
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