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Sapphire
Published: June 20, 2007 Types: Although sapphires are known for their cornflower blue color, the name describes any non-red variety of the corundum species. (Red corundum is called "ruby.") Non-blue sapphires - including pink, orange, yellow, green, purple, and black - are usually designated by color (e.g., pink sapphire). Padparadscha sapphire, with its pinkish orange color, is also popular.
History: Ancient Persians believed that the sky was the reflection of a huge sapphire. Today, women in many cultures choose sapphires for their engagement rings, because the stone represents permanence and reliability. Sapphire is the traditional birthstone for September.
Origins: Major sources include India, Sri Lanka, Vietnam, Myanmar (formerly Burma), Thailand, Brazil, Australia, and Africa.
Treatments: Most sapphires are heat treated to improve their color. The treatment is permanent.
Availability: Rondelles and chips are available by the strand, and briolettes priced by weight are affordable options. The truer the blue, the more costly the gemstones.
Care: Second only to diamond in hardness, a sapphire can withstand steam or ultrasonic cleaning. If the stone has inclusions or the setting is fragile, use warm, soapy water. |
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