
Pure corundum is colorless, but most corundum contains minute amounts of chemical impurities called trace elements. Blue sapphires are colored by a combination of the trace elements iron and titanium. Iron and chromium together result in gold or orange sapphires, and when chromium is the only trace element, it makes a sapphire pink or a ruby red.
Different combinations of trace elements are responsible for the extraordinary range of colors in sapphires, which are commonly called fancy sapphires. This variability is what makes each sapphire unique from all others. It can be difficult to find sapphire pairs because no two are ever exactly the same. Rare and unusual sapphires are almost irreplaceable, even if they are only 1 or 2 carats in size.
The Sapphire is second only to the Diamond in hardness, making it a durable gemstone for setting into jewelry. A gift of Sapphire represents sincerity and faithfulness. As nourishing to the soul as gazing up at the sky on a summer day, this brilliant blue gemstone is truly a heavenly choice!
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