These are believed to be previously unreported for gem corundum. Allanite, muscovite, and fuchsite (chromium-bearing muscovite) were identified for the first time in ruby and sapphire from Snezhnoe.

Although the producers claimed that these stones were red diffusion-treated corundum (i.e., a shallow coloration induced by the lattice diffusion of chromium), the surface layer is actually a ...

Ben is a credit cards and luxury travel writer, an immigrant with three citizenships and a husband. He speaks English, Spanish and Italian, has a background in linguistics and languages, and ...

Terms apply to the offers listed on this page. Please view our advertising policy and product review methodology for more information. But with a $95 annual fee, you may ask, is the Chase Sapphire ...

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In 2021, the Jeff Ruby Steaks (G3) was elevated to a major qualifier in the Road to the Kentucky Derby series, one of eight races offering points on a 100-50-25-15-10 scale to the top five finishers ...