What Is Zircon Gemstone | Zircon Stone – GIA

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ZIRCON

Zircon is a colorful gem with high refraction and fire that’s unfairly confused with cubic zirconia.

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FA16-Renfro-Fig5_208086-468x380.jpg. Visible spectra of blue zircon before and after long-wave UV exposure

FA16-Renfro-fig2-Comp_208089-636x149.jpg. Faceted blue zircons before and after long-wave UV exposure

KSS_Zircon-Lip-Ring_DSC3180-A_RGB_208091-636x358.jpg. 7.95 ct blue zircon ring

FA16-Renfro-Fig4ab_208085-468x633-v4.jpg. Visible spectra of blue zircon after long-wave UV exposure

FA16-Renfro-fig3-Comp_208088-636x502.jpg. Blue zircon wafer before and after long-wave UV exposure

FA16-Renfro-Fig6_208084-468x346.jpg. Removal of brown color in blue zircon exposed to long-wave UV

FA16-Renfro-Figure-1_208081-468x620.jpg. Faceted blue zircons

12.84-carat Triangular-cut Zircon. This 12.84-carat triangular-cut zircon displays an attractive orange hue. - John Dyer, Zircon Super Trillion courtesy of John Dyer & Co. — This 12.84-carat triangular-cut zircon displays an attractive orange hue. - John Dyer, Zircon Super Trillion courtesy of John Dyer & Co.

Various Zircon Colors. Zircon comes in many attractive colors. - GIA & Tino Hammid, courtesy Gordon Bleck — Zircon comes in many attractive colors. - GIA & Tino Hammid, courtesy Gordon Bleck

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This Month's

Featured Gems

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PERIDOT

Found in lava, meteorites, and deep in the earth’s mantle, yellow-green peridot is the extreme gem.

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FANCY COLOR DIAMOND

Dazzling brilliance. Captivating color. These are the planet’s most valued gems.

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DIAMOND

Diamonds are among nature’s most precious and beautiful creations.

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EMERALD

Emerald is the bluish green to green variety of beryl, a mineral species that includes aquamarine.

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CITRINE

Citrine is the transparent, pale yellow to brownish orange variety of quartz.

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