Natural Color Sapphire

Sapphire is just one of the varietal names for the mineral corundum, an aluminum oxide (Al2O3). In its purest state, sapphire is colorless, but when impurities get caught up in the crystal growth, the mineral can take on color. A trace amount of iron and titanium produces a blue sapphire. And while Mother Nature creates some spectacular blue sapphires, she doesn't create enough to satisfy jewelry lovers. Enhancing otherwise low-quality gems has enabled colored-stone dealers to supply natural sapphire jewelry to the masses. But until recently, for those who prefer what Mother Nature has created, sources have been limited. Over the past few decades, demand for natural unenhanced blue sapphire has been quiet. So in order to fulfill demand for sapphire jewelry, it's been easier for producers to enhance nearly everything coming out of the mines, instead of sorting out what now is consider

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