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sapphire color variations
sapphire color variations
Sapphire/fancy sapphire Sapphire

I

am Sapphire, beloved for centuries as the ultimate blue gemstone. The ancient Persian rulers believed that it was my reflection that gave blue color to the heavens, indeed, my very name in Latin, "Sapphiru," means blue.

But like the endless colors that appear in the sky, sapphire is also found in many, many other shades besides blue, from the gold of a sunrise, to the fiery reddish-orange of sunset, to the delicate violet of twilight. Sapphire may even resemble the pale white gloaming of an overcast day. These diverse colors are referred to as "fancy" color sapphires.

A gift of a sapphire symbolizes a pledge of trust and loyalty. It is from this tradition that sapphire has long been a popular choice for engagement rings.

One of Nature's most durable gemstones, sapphire shares this quality with its sister, the ruby.

Sapphire is found in many parts of the world, but the most prized sapphires are from Myanmar (Burma), Kashmir and Sri Lanka. The purer the blue of the sapphire, the greater the price the gemstone can command, however, many people find that the darker hues of sapphire can be just as appealing.

Over the centuries, methods have been developed to enhance the purest hues of sapphire. This is now commonly achieved by controlled heating, a technique that not only improves color but also improves clarity. But heating will only improve the color if the gemstone already contains the chemistry required. Heating sapphires is a permanent enhancement, as lasting as the gemstones themselves.

A new method of artificially changing the natural color of a sapphire is diffusion, whereby beryllium or a similar element is diffused into the surface of the gemstone, producing a richer color. Sapphire treated by diffusion is far less costly and much more available than rare fine untreated gems or those successfully heat-treated. Diffused sapphire is available in shades of orange, pinkish orange, yellow and sometimes even blue. Information about diffusion should be provided on the invoice for your jewelry. Recutting or repolishing may affect the color of some diffusion-treated stones.

Gemstone Variations:
Alexandrite | Amethyst | Ametrine | Aquamarine | Chalcedony | Citrine | Cultured Pearl | Emerald | Garnet | Iolite | Jade | Lapis lazuli | Opal | Ornamental gemstones | Peridot | Phenomenonal gemstones | Ruby | Sapphire | Spinel | Tanzanite | Topaz | Tourmaline | Turquoise | Zircon
| Gem Enhancements

This information is provided by the American Gem Trade Association. For more information about gemstones or the AGTA please visit www.agta.org
Copyright © 2003 AGTA

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