It is an open-pit mine, formed around a rare volcanic rock formation called a kimberlite pipe, which contains high ...

It's an open-pit mine, formed around a kimberlite pipe, a rare type of volcanic rock formation that can contain high ...

"Despite the diamond's rare qualities, it would be no more expensive ... which can transform certain rocks into diamonds. Lonsdaleite, first discovered in the Canyon Diablo meteorite in Arizona ...

The group used a multi-pronged approach involving “bulk rock” geochemistry ... The post Hunting for the Birthplace of the World’s Rarest Diamonds appeared first on Explorersweb.

Until now, the hardest diamonds have been found in asteroid and meteoroid impact craters, meaning they are rare and often very small. Most natural and synthetic diamonds have a cubic structure ...