Asteroid impacts on Earth make structurally bizarre diamonds
Friday, November 21, 2014 - 08:31
in Paleontology & Archaeology
(Phys.org) —Scientists have argued for half a century about the existence of a form of diamond called lonsdaleite, which is associated with impacts by meteorites and asteroids. A group of scientists based mostly at Arizona State University now show that what has been called lonsdaleite is in fact a structurally disordered form of ordinary diamond.