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Sapphire

The name “sapphire” can also apply to any corundum that’s not ruby red, another corundum variety.

Sapphire
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Research

Sapphire History and Lore

Traditionally, sapphire symbolizes nobility, truth, sincerity, and faithfulness.

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Sapphire Journey

The name “sapphire” can also apply to any corundum that’s not ruby, another corundum variety

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“Cyber” Butterfly

Examination of a purple sapphire reveals a zigzag-patterned fingerprint and negative crystal resembling a butterfly.

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Radial Limonite in Sapphire

Radial limonite displays bright interference colors in a surface-reaching fracture of a violet sapphire.

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Tourmaline Inclusion with Included Crystals in Kashmir Sapphire

A tourmaline inclusion in a Kashmir sapphire contains “daughter” crystal inclusions.

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Montana Sapphire at Obsessed Over Gems

Obsessed Over Gems offered an array of unheated Montana sapphires in a range of hues, cuts, and sizes at the AGTA show.

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New Sapphire Material from Kashmir

A look at newly found Kashmir sapphire exhibited at the AGTA show.

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Yellow Synthetic Sapphire Colored by Trapped-Hole Mechanism

A combination of trace-element analysis and UV-visible spectroscopy clearly indicated that the yellow color originated from the much more effective chromophore known as “trapped holes,” associated with the trace amount of Mg and Cr in this stone.

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The Indaia Sapphire Deposits of Minas Gerais, Brazil

The discovery of significant quantities of gem-quality sapphire in Minas Gerais could add corundum to the formidable list of gem species already commercially produced in Brazil.

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Sapphire from the Mercaderes-Río Mayo Area, Cauca, Colombia

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A Preliminary Report on the New Lechleitner Synthetic Ruby and Synthetic Blue Sapphire

A new synthetic ruby and synthetic blue sapphire have been synthesized by Johann Lechleitner of Innsbruck, Austria.

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The Sapphires of Mingxi, Fujian Province, China

Blue sapphires from China are similar to gem corundum from Australia, Thailand, and Kampuchea (Camodia).

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