diamonds
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Gold and gems quiz: What do you know about sparkly treasures made by nature?Think you know a lot about jewels? Can you make this whole quiz shimmer?
By Kristina Killgrove Published
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Perplexing diamonds from South Africa mine contain 'almost impossible' chemistrySeemingly contradictory materials are trapped together in two glittering diamonds from South Africa, shedding light on how diamonds form.
By Stephanie Pappas Published
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Why do diamonds come in different colors?The vast majority of polished diamonds are clear and sparkly, but some come in unexpected colors like blue, green and even pink. So why are some diamonds different colors?
By Alice Sun Published
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9-mile-thick layer of solid diamonds may lurk beneath Mercury's surface, study hintsNew simulations suggest that a 9-mile-thick layer of solid diamonds may lurk deep below the surface of Mercury. The gems almost certainly can't be mined for bling — but they may help solve some of the planet's biggest mysteries.
By Deepa Jain Last updated
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Argyle mine: Earth's treasure trove of pink diamonds born during a supercontinent's break upDuring 37 years of operations, the now-closed Argyle mine produced more than 865 million carats (191 tons) of rough diamonds and 90% of the world's pink diamonds.
By Sascha Pare Published
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Scientists grow diamonds from scratch in 15 minutes thanks to groundbreaking new processScientists have used a new technique to synthesize diamonds at normal, atmospheric pressure and without a starter gem, which could make the precious gemstones easier to grow in the lab.
By Deepa Jain Published
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Scientists may have pinpointed the true origin of the Hope Diamond and other pristine gemstonesResearchers suggest that the famed Golconda diamonds, including the Hope Diamond and Koh-i-noor, may have originated from a volcanic outcrop nearly 200 miles from where they were mined.
By Stephanie Pappas Published
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New diamond transistor is a world-1st — paving the way for high-speed computing at the highest temperaturesScientists have created an n-channel transistor using diamond for the first time, potentially leading to faster components that can work in extreme conditions.
By Tim Danton Published
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Rare 'super-diamonds' may already exist on other planets, and could be made on Earth, study hintsA simulated form of carbon called BC8, or 'super-diamond', could be 30% tougher than normal diamonds, but synthesizing it on Earth won't be easy.
By Stephanie Pappas Published
