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Sapphire
The name “sapphire” can also apply to any corundum that’s not ruby red, another corundum variety.
See Gem As
Tools
Research
Unique Fingerprint in Montana Sapphire
Prismatic Zircon in Kashmir Sapphire
The Elahera Gem Field in Central Sri Lanka
The Elahera gem field currently provides approximately 35% of the gemstones exported from Sri Lanka.
Sapphires from Australia
An overview of Australia's recent significance in the production of blue sapphire.
Fine Corundum, Demantoid Garnet
Preview of Nature Art Science with Paula Crevoshay
Unheated and Unusual Colors
Heat Treating Corundum: The Bangkok Operation
Kashmir Sapphire
The history of the Kashmir mines, the beautiful sapphires found there, and the outlook for the future.
An Examination of Four Important Gems
Several famous and historical gemstones in the Smithsonian's collection are examined and reported on.
Gemstone Durability: Design to Display
Update on Mining Rubies and Fancy Sapphires in Northern Vietnam
Northern Vietnam began producing significant quantities of rubies and fancy sapphires in the late 1980s.
