Lonsdaleite - Wikipedia
Lonsdaleite (named in honour of Kathleen Lonsdale), also called hexagonal diamond in reference to the crystal structure, is an allotrope of carbon with a hexagonal lattice, as opposed to the cubical lattice of conventional diamond.
Extra Hard Space Diamonds May Have Formed in an Ancient …
2022年9月28日 · Diamond, with its tough-to-break carbon lattice of interlocking cubes, is traditionally considered the hardest material on Earth. Yet a rare form of diamond known as lonsdaleite —a crystal...
Lonsdaleite is faulted and twinned cubic diamond and does not …
2014年11月20日 · Ultrahigh-resolution electron microscope images demonstrate that samples displaying features attributed to lonsdaleite consist of cubic diamond dominated by extensive {113} twins and {111}...
Rare space diamonds found in meteorites - EarthSky
2022年9月15日 · Scientists have found tiny diamonds in meteorites, or rocks from space, before. But now, Australian scientists said this week (September 12, 2022) they’ve confirmed the existence of a rare form of...
Meet the mystery diamond from outer space | CNN
2022年9月16日 · Now, researchers have confirmed the existence of a celestial diamond after finding it on Earth’s surface. The stone, called lonsdaleite, has a hardness and strength that exceeds that of a...
Ultra-hard 'lonsdaleite' diamonds found in Africa actually came …
2022年9月14日 · Scientists think that the diamonds - called lonsdaleite - came from a dwarf planet that was smashed by a large asteroid around 4.5 billion years ago. The diamonds are found in rare meteors on...
Lonsdaleite diamonds found in space - CSIRO
2022年9月15日 · A team of researchers, including our scientists, have confirmed the existence of the rare hexagonal-structured lonsdaleite diamond. Lonsdaleite appears to be much harder than its more typical cubic cousin.
Scientists have found a mineral stronger than diamond : NPR
2022年9月18日 · Scientists have found a mineral stronger than diamond. They say lonsdaleite could be used to fortify industrial tools like drill bits and saw blades - AND teach us about the evolution of...
Rare and mysterious cosmic gem created by ancient "catastrophic ...
2022年9月13日 · Scientists used advanced electron microscopy to analyze the meteorites and create snapshots of lonsdaleite and diamond formation.
A Bizarre Form of Space Diamond Could Have Its Origins Inside A …
Scientists think they have finally figured out why a super-hard form of diamond called lonsdaleite is found inside a rare type of meteorite. If researchers are right, the crystal's origin story is every bit as shocking as the material itself.