INSTOREMAG.COM12h
Joint Statement on Response to Color Instability in Some Sapphires And Rubies
(PRESS RELEASE) The World Jewellery Confederation (CIBJO), the American Gem Trade Association (AGTA) and the International ...
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What makes gemstones so brilliantly colored — spoiler alert, it’s physics
While many associate sapphires with the color blue, these gems actually come in a rainbow of colors. Sapphires are also a variety of corundum, like rubies. Yes, sapphires and rubies are basically ...
IDEX Online1d
New Call for Full Disclosure on Ruby and Sapphire Treatment
The World Jewellery Confederation (CIBJO), the American Gem Trade Association (AGTA) and the International Colored Gemstone ...
Earth.com7d
'Super' sapphire can create unbreakable screens and anti-glare glasses
Its ability to resist scratches makes it an excellent choice for screens and protective coatings. However, its extreme ...
W.S.M. on MSN2mon
Where can I sell my loose gemstones, birthstones and crystals?
are vibrant in color, and are typically more expensive gems like rubies, sapphires and emeralds. GIA would rate the ...
The New York Times28d
When He’s Cutting a Gem, It Gets His Full Attention
heating and irradiation are just two of the treatments that the jewelry industry often uses to improve the color or durability of a gem. A sapphire on Mr. Soni’s workbench, after he finished ...