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Smithsonian Magazine on MSNSee the Stunning Sapphire Ring Belonging to a Medieval Bishop That Just Sold at AuctionSeveral years ago, metal detectorist Mark Sell was searching for treasure at a field in Norfolk, England. He had scanned this ...
Its ability to resist scratches makes it an excellent choice for screens and protective coatings. However, its extreme ...
New sapphire nanostructures created at UT Austin repel dust, glare, and fog while staying durable. Inspired by nature, these ...
DODOMA: TANZANIA and Thailand have signed a cooperation agreement to promote knowledge sharing, research collaboration and ...
The Border Force is set to auction more than 100 gemstones — valued at over $60,000 — after they were abandoned by a ...
The World Jewellery Confederation (CIBJO), the American Gem Trade Association (AGTA) and the International Colored Gemstone ...
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