From the coalfields of northern England to the Arctic snows and the steaming jungles of Brazil, diamond hunter and scholar ...

A schist in the hand may be quite continental, but diamonds are a geologist's best friend. For proof, look no further than a recently mined diamond that contained a mineral that had never been seen in ...

A diamond forged deep within Earth's interior held an unexpected discovery locked inside: a mineral never before seen in nature and one that cannot normally exist on the planet's surface. The mineral, ...

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Add Yahoo as a preferred source to see more of our stories on Google. The Cullinan mine, located on a diamond-bearing kimberlite pipe in the Gauteng Province of South Africa, is the world’s richest ...

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Scientists have discovered a mineral stronger than a diamond called lonsdaleite. The mineral, which has been theorized about for years, was recently found in Africa after meteorites landed in the ...