A pair of diamonds that formed hundreds of kilometers deep in Earth’s malleable mantle both contain specks of materials that ...

Seemingly contradictory materials are trapped together in two glittering diamonds from South Africa, shedding light on how ...

South African diamonds have revealed nickel-rich metallic inclusions, offering the first direct evidence of reactions predicted to occur deep in Earth’s mantle. The study shows how oxidized melts ...

Formed millions to billions of years ago, diamonds can shine light into the darkest and oldest parts of the Earth's mantle. The analysis of ancient, superdeep diamonds dug up from mines in Brazil and ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Earth simply wouldn’t be the home planet we know and love without ...

A team of Chinese scientists may have cracked the secret behind the strange Canyon Diablo diamonds. Hexagonal in form rather than cubic, the process behind how these diamonds formed has, until now, ...

Researchers have penned a new study that reveals the discovery of a rare mineral that forms under extremely high pressure and high temperature in Earth's mantle. The mineral that was found is called ...

Within a diamond hauled from deep beneath Earth's surface, scientists have discovered the first example of a never-before-seen mineral. Named davemaoite after prominent geophysicist Ho-kwang (Dave) ...

Michael Förster was disappointed. As a Ph.D. student at Australia's Macquarie University, Förster had spent months cooking rocks in an attempt to grow the flaky, shimmery mineral mica in the lab, and ...

The world’s largest source of natural diamonds — and of more than 90 percent of all natural pink diamonds found so far — may have formed due to the breakup of Earth’s first supercontinent, researchers ...

Hardest Natural Substance: The hardest natural substance on Earth is Diamond. It is a form of pure carbon, where atoms are arranged in a strong three-dimensional crystal lattice. This unique ...