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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

Finds from the Secondary Market

Dave Bindra shows some noteworthy pieces he obtained on the secondary market and shares his thoughts on the state of the colored stones market.

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Preview of Nature Art Science with Paula Crevoshay

Renowned designer Paula Crevoshay discusses artistic influences and her latest creations.

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Prismatic Zircon in Kashmir Sapphire

Elongated zircon inclusions display attractive birefringent interference colors in a blue sapphire from Kashmir.

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Jewelry Television in Tucson

A look at JTV’s history, current activities, and impact on the industry.

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Tairus Hydrothermal Synthetic Sapphires Doped with Nickel and Chromium

Researchers of the Tairus joint venture have developed the technology for the hydrothermal growth of gem-quality crystals of synthetic sapphire.

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Rainbow-Colored Partially Healed Fissure in Blue Sapphire

An iridescent partially healed fissure is observed in a blue sapphire from Sri Lanka.

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Diffusion-Induced Blue Spinel-Like Layer on Natural Sapphire

Three natural sapphires exhibiting a surface layer of gahnite are studied at the GGTL laboratory.

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Sapphire Rush Near Ambatondrazaka, Madagascar

A newly found deposit of sapphire in Madagascar is explored.

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Glassy Melt Inclusions in Sapphires from Montana

Two-phase inclusions are investigated in alluvial sapphires from deposits in Montana.

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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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Sapphire Description

Blue sapphire belongs to the mineral species corundum. It can be a pure blue but ranges from greenish blue to violetish blue. The name “sapphire” can also apply to any corundum that’s not red and doesn’t qualify as ruby, another corundum variety.

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Sapphire Care and Cleaning Guide

Learn about sapphire's durability and how to care for your sapphire jewelry.

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