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sapphire
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Blue sapphire, natural specimen Corundum of the variety sapphire from Ceylon turban jewels
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Basalt sample returned by Apollo 15, from near a long sinous lunar valley called Hadley Rille. Measured at 3.3 years old.
(Bed) Rocks and (Flint) Stones

sapphire: References & Edit History

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  • The Editors of Encyclopaedia Britannica
    Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.

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Article History

Type Description Contributor Date
Modified link of Web site: University of Nebraska–Lincoln - Conservation and Survey Division - Traditional Birthstones - Sapphire (September). Sep 17, 2026
Add new Web site: ABC listen - Nightlife - What makes sapphires special and where do they come from? Oct 03, 2025
Add new Web site: University of Nebraska–Lincoln - Conservation and Survey Division - Traditional Birthstones - Sapphire (September). Nov 22, 2024
Add new Web site: Geology.com - Ruby and Sapphire. Jan 18, 2024
Add new Web site: Gemological Institute of America - Sapphire Quality Factors. Dec 07, 2023
Add new Web site: American Gem Society - Sapphire Birthstone Overview. Jun 22, 2023
Add new Web site: International Gem Society - Sapphire Value, Price, and Jewelry Information. Mar 13, 2023
Add new Web site: Geosciences LibreTexts - Sapphire. Feb 03, 2023
Added new Web site: Extreme Science - Sapphire. Apr 16, 2009
Added new Web site: International Colored Gemstone Association - Sapphire. Sep 15, 2008
Added new Web site: Gem by Gem - Sapphires. Sep 15, 2008
Added new Web site: Sapphire Jewelry - Sapphire. Sep 15, 2008
Added new Web site: E- jewel - Sapphire. Sep 15, 2008
Added new Web site: United States Geological Survey - Sapphires. Sep 15, 2008
Added new Web site: Gemstone Education - Sapphire. Sep 15, 2008
Added new Web site: The Mineral and Gemstone Kingdom - Sapphire. Sep 15, 2008
Added new Web site: Amethyst Galleries - The Mineral Sapphire. Jun 06, 2008
Added new Web site: Chard - Corundum. Sep 30, 2007
Article added to new online database. Jul 28, 1999
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