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

Diamond is famously known as the hardest mineral on Earth. “There are hundreds of claims from people who believe they have ...

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

“These findings resolve the long-standing controversy on the existence of hexagonal diamond,” researchers said.

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

Crystal Structure of Cubic Garnet-Type (IMAGE) Toyohashi University of Technology (TUT) Caption Fig. 1 shows crystal structure of cubic garnet-type Li7La3Zr2O12 (LLZO, left) and temperature dependence ...

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: ...