Researchers have synthesized millimetre-scale hexagonal diamond, a crystal structure so elusive that many physicists doubted ...

Scientists create first-of-its-kind ‘hexagonal diamond’ harder than real thing - Material exhibits slightly higher hardness than naturally found diamond ...

A research team led by Sun Jian at Nanjing University has produced recoverable, millimeter-sized crystals of hexagonal diamond, a rare carbon polymorph that prior theoretical work has suggested could ...

Diamond is famously known as the hardest mineral on Earth. “There are hundreds of claims from people who believe they have seen it,” says Oliver Tschauner, a mineralogical crystallographer at the ...

The AI crowd counter overcounted attendance because the hexagonal rock formations appeared too similar to people when viewed ...