News

They do know that diamonds form like other crystals — they crystallize from a fluid, like rock candy from a solution of sugar dissolved in water. But they were never sure what that fluid was.
The vast majority of polished diamonds are clear and sparkly, but some come in unexpected colors like blue, green and even ...
Scientists from Canada, the U.S. and the U.K say ancient sea water may have contributed to the formation of diamonds hundreds of kilometres underground. In a cover story published this week in the ...
Charlier warns that the thickness of the diamond layer, between 15 and 18 kilometers (9.3 and 11.1 miles), is only an estimate, and it might change because the process of formation of the diamonds ...
Fluid-rich diamonds formed 200 km beneath Earth’s surface offer clues to how diamonds are made—and possibly how they can be found, according to new U of A research.
Lab-grown diamonds have become massively popular in recent years, giving the traditional, mined version a run for its money. Oymakas says natural diamonds made up 100 per cent of his business until ...
The stable form of carbon at the pressure-temperature conditions of earth’s core-mantle boundary is diamond. So the carbon escaping from the liquid outer core would become diamond when it enters ...
Hexagonal diamond up to 60 per cent stronger than normal diamonds could be used to create super-tough drilling and cutting ...
Microscopic, ugly diamonds from the Northwest Territories are illuminating how diamonds are made — and pointing to an unexpected helper in the process. A new study suggests they formed from ...