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Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. Over 70 percent of the world’s diamonds are mined from kimberlite ...

Diamonds are made out of carbon — highly organized carbon, that is. Geologists are still guessing how diamonds formed in the ...

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 ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. The dramatic break up of an ancient supercontinent could be behind ...

Deep beneath our feet, colossal explosions in the mantle have, at times, blasted diamonds toward the surface in violent jets ...

“A diamond is forever.” That iconic slogan, coined for a highly successful advertising campaign in the 1940s, sold the gemstones as a symbol of eternal commitment and unity. But our new research, ...

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 ...

A groundbreaking technique developed by scientists now allows for the synthesis of diamonds at normal atmospheric pressure and without the need for a starter gem — in just 15 minutes. Traditionally, ...

Traditionally, diamond production involves converting carbon at enormous pressures and temperatures, where the diamond form is stable, or by using chemical vapor deposition, where it is not. Professor ...

Jeweler Harry Winston donated the famous Hope Diamond—the largest-known deep blue diamond in the world—to the Smithsonian Institution in 1958. It arrived in a plain brown package by registered mail, ...