Diamonds hitch a ride to the surface through explosive kimberlite eruptions, powered by volatile-rich magmas. New simulations show that carbon dioxide and water are the secret ingredients that make ...

These diamond makers create one of the most amazing materials on Earth — from dead people. For centuries, diamonds were one of the most mysterious materials on Earth. They were beautiful, ...

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 ...

MURFREESBORO, Ark. — Diamonds are forever and rare, but within a two-hour drive out of Little Rock sits the Crater of Diamonds State Park in Murfreesboro. Their diamonds are the main attraction, as ...

1. The Diamond -- 2. The Ancient World -- 3. Early Persia and the East -- 4. Medieval Europe -- 5. The Dawn of Diamond Cutting in Europe -- 6. The Fifteenth-Century Technical Revolution -- 7.