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.

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

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

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

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 ...

The diamond was around 0.04 inches in size and exhibited more sturdiness and resistance compared to typical cubic diamonds.

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