Contained in the hunt for unknown minerals in super-deep diamonds

I’m squinting at a diamond within the palm of my hand. As gems go, it’s nothing particular: smaller than a grain of rice and filled with impurities, it could fetch a poor worth. However for researchers like Nester Korolev, these impurities are invaluable for the data they reveal about geological processes below approach deep inside Earth – all of the extra so provided that a few of them look in contrast to something we’ve encountered earlier than. “I hope that we are going to uncover a brand new mineral,” he  says.

This explicit diamond fashioned round 600 kilometres…