A pair of diamonds that formed hundreds of kilometers deep in Earth’s malleable mantle both contain specks of materials that form in completely opposing chemical environments—a combination so unusual ...

Provided you have ever been amazed by the shine of a diamond, then there must have been a moment when you questioned how it entered your jewelry box instead of remaining under the Earth’s surface.

Two diamonds from South Africa’s Voorspoed mine provide a rare direct insight into the chemistry of Earth’s mantle. Although diamonds can be formed in multiple ways, the findings add to evidence ...

Scroll down to begin the experience. Botswana’s Jwaneng Mine sits on the edge of the Kalahari Desert, a vast expanse spanning much of southern Africa, its arid plains peppered with acacia trees and ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Geoscientists can't say if diamonds are ...