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Sapphire
The name “sapphire” can also apply to any corundum that’s not ruby red, another corundum variety.
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Sapphires from Thammannawa, Kataragama Area, Sri Lanka
The February 2012 discovery of high-quality blue sapphires at Thammannawa near Kataragama in southeastern Sri Lanka has intensified gem mining and exploration in the surrounding area and all over the country.
Jewelry Television in Tucson
A look at JTV’s history, current activities, and impact on the industry.
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.
Preview of Nature Art Science with Paula Crevoshay
Renowned designer Paula Crevoshay discusses artistic influences and her latest creations.
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.
Rainbow-Colored Partially Healed Fissure in Blue Sapphire
An iridescent partially healed fissure is observed in a blue sapphire from Sri Lanka.
Sapphire and Garnet from Kalalani, Tanga Province, Tanzania
Sapphire Rush Near Ambatondrazaka, Madagascar
A newly found deposit of sapphire in Madagascar is explored.
Prismatic Zircon in Kashmir Sapphire
Elongated zircon inclusions display attractive birefringent interference colors in a blue sapphire from Kashmir.
Diffusion-Induced Blue Spinel-Like Layer on Natural Sapphire
Three natural sapphires exhibiting a surface layer of gahnite are studied at the GGTL laboratory.
Glassy Melt Inclusions in Sapphires from Montana
Two-phase inclusions are investigated in alluvial sapphires from deposits in Montana.
Sapphire History and Lore
Traditionally, sapphire symbolizes nobility, truth, sincerity, and faithfulness.
