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

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

After decades of debate, researchers say that they have found the clearest evidence yet for this rare form of carbon ...

After decades of chasing after a rare hexagonal diamond, a Chinese team says their iteration of the elusive material is the ...

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

Researchers are analyzing the new find at the mine in northern Botswana and paying attention to a quality never before ...