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

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 ...

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Perplexing diamonds from South Africa mine contain 'almost impossible' chemistry Rare half-pink rough diamond with 'astounding' weight of 37.4 carats discovered in Botswana Scientists have finally ...