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

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

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

Scientists created a pure hexagonal diamond in the lab, confirming a long-debated carbon structure slightly harder than ...

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

Chinese scientists claim to have created the long theorised hexagonal diamond, stronger than the real thing, and only found ...

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.