Diamonds are famous for their strength, but scientists have long suspected that another form of diamond might be even harder.

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

A Chinese research team has produced bulk hexagonal diamond, a crystal structure long theorized to be harder than ...

Atomic structure of the hexagonal diamond. Image from the study. Researchers named it lonsdaleite, after crystallographer ...

Researchers made small, pure samples of the elusive mineral lonsdaleite – also known as hexagonal diamond — and tested its ...

Researchers in China have made what they claim to be the first samples of pure hexagonal diamond, a theorised rare variant of ...

Hexagonal diamonds are formed when graphite is subjected to strong impact and heat, such as due to a meteorite impact. While ordinary diamond has a structure called cubic, hexagonal diamond is ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists report creating pure hexagonal diamond, resolving a long debate about the rare meteorite mineral lonsdaleite. (CREDIT: ...