Rubies are formed of a mineral called corundum, comprised of aluminum oxide. The red color is caused by traces of chromium. Corundum also forms sapphire in many colors, which generally come from ...

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"Corundum Convergence Institute is building a platform where groundbreaking science is not only supported but also stewarded with a clear pathway to societal benefit," said Yasushi Yamamoto ...

Like their gemstone cousin the sapphire, rubies are just a variety of corundum, or aluminum oxide. Where sapphire gets its blue tint mainly from iron, rubies get their pink to blood-red hue from ...

Aluminum oxide (Al 2 O 3), also known as alumina, corundum, sapphire, or ruby, is one of the best insulators used in a wide ...

This article examines the key components that neurotech startups must address to traverse the Valley of Death and scale the ...

Of all chromium's natural occurrences, my favourites are gemstones, where a trace of the element adds a blaze of colour. As corundum, beryl, and crysoberyl, these metal oxides are colourless and ...

Rubies, being a member of the corundum family, are relatively durable gems that can withstand more vigorous cleaning methods.