Diamonds

Diamonds from 660 kilometers below surface reveal a water-rich environment

Diamonds from 660 kilometers below surface reveal a water-rich environment

Deep within the surface of our world, far beyond our faint reach, mysterious processes grind and churning. Every now and then the Earth leaks clues to its nature: tiny diamonds encased in rare minerals. From these tiny pieces, we can glean information about our planet’s interior. One such stone was recently unearthed from a diamond …

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Scientists say these mysterious diamonds came from outer space

Scientists say these mysterious diamonds came from outer space

Monash University’s Professor Andy Tomkins (left) with RMIT University PhD scholar Alan Salek and a ureilite meteor sample.Credit: RMIT University Strange diamonds from an ancient dwarf planet in our solar system may have formed shortly after the dwarf planet collided with a large asteroid about 4.5 billion years ago. A team of scientists say they …

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Pokémon Diamonds and Pearls Remake Just Got a 'Global Award'

Pokémon Diamonds and Pearls Remake Just Got a ‘Global Award’

Image: The Pokémon Company During today’s Tokyo Game Show 2022, the winners of the Japan Game Awards were announced. In particular, one winner that seems to be getting people talking on social media is the 2021 Switch title Pokémon Brilliant Diamond & Shining Pearl. Not only did it win the “Best of Sales” award, but …

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This image, provided by the Commonwealth Scientific and Industrial Research Organization of Australia, shows a cross-section of a urea meteorite sample captured with CSIRO's Electron Probe Microanalyzer (EPMA). Red is iron, green is magnesium, blue is silicon, yellow is Lonsdale, and pink is diamond.

Space diamonds made from dwarf planet asteroid impacts may be stronger

Diamonds produced by interstellar collisions of dwarf planets and asteroids could lead to the development of new superhard materials for tools and production, researchers say. Rare lonsdaleite diamonds have been found in the ureilite meteorite, likely from the interior of a dwarf planet, a team of researchers reported this week in the Proceedings of the …

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Strange hexagonal diamonds come from asteroid - dwarf planet smash

Strange hexagonal diamonds come from asteroid – dwarf planet smash

Meteor Crater in Arizona. Meteorite fragments from the impact contained Lonsdaleite.photo: Daniel Slim/AFP (Getty Images) A rare form of diamond may have originated in the raucous cores of distant worlds, reaching Earth as a result of violent cosmic collisions, new research suggests. A diamond with a hexagonal crystal structure has been found in a meteorite …

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irregular rock approaching larger moon-like body

Dwarf planet collision may have sent strange superhard diamonds to Earth

Strange hexagonal diamonds may have been thrown into space when a dwarf planet collided with a large asteroid about 4.5 billion years ago. New research identifies hexagonal diamonds, also known as lonsdaleite, as a rare class meteorite This may come from the mantle of the dwarf planet. Like graphite, charcoal, and diamond, Lonsdaleite is a …

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Ordinary plastic turns into diamonds in the blink of an eye with a laser beam

Ordinary plastic turns into diamonds in the blink of an eye with a laser beam

Plastic Diamonds – cc Steve Jurvetson For the first time ever, after being hit by a laser beam, a film of plastic turns into tiny diamonds in the blink of an eye. Synthetic diamonds are valuable because of their hardness and can be used to make high-quality cutting and polishing tools, but so are their …

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Research shows that the entire universe is raining diamonds

Research shows that the entire universe is raining diamonds

release: 9 February 2022 – 20:12Modified: 9 February 2022 – 20:10 Paris (AFP) – The strange precipitation believed to form deep within the interiors of Uranus and Neptune could be raining on planets across the universe, scientists said Friday. Scientists had previously speculated that extremely high pressures and temperatures turned hydrogen and carbon into solid …

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Research shows that the entire universe is raining diamonds

Research shows that the entire universe is raining diamonds

release: 9 February 2022 – 20:12Modified: 9 February 2022 – 20:10 Paris (AFP) – The strange precipitation believed to form deep within the interiors of Uranus and Neptune could be raining on planets across the universe, scientists said Friday. Scientists had previously speculated that extremely high pressures and temperatures turned hydrogen and carbon into solid …

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Diamonds and rust at the core-mantle boundary

Diamonds and rust at the core-mantle boundary

Iron-carbon alloys react with water in diamond-anvil cells under the high-pressure and high-temperature conditions associated with Earth’s deep mantle.Credit: Arizona State University Steel rusts from water and air on the earth’s surface. But what about deep inside the Earth? The Earth’s core is the largest carbon store on Earth – about 90% is buried there. …

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