Scientists said on Tuesday they have found the 'missing ingredient' for pink diamonds, some of the world's most expensive stones due their rarity and beauty, and the discovery could help find more.
Pink diamonds are incredibly rare -- and expensive. Scientists know think they know how they were formed.
But exactly why Argyle—which unlike most other diamond mines does not sit in the middle of a continent but on the edge of one—produced so many pink gems has remained a mystery., a team of Australia-based researchers said the pink diamonds were brought to the Earth's surface by the break up of the first supercontinent around 1.3 billion years ago.
By measuring the age of elements in the crystals, the researchers determined that Argyle was 1.3 billion years old—meaning the diamonds came up 100 million years later than previously thought.In Nuna,"just about every single landmass on Earth was squashed together", Olierook said. It could be looking at the edge of continents -- not the center -- to find more pink diamonds, the researchers suggested.
But knowing the"missing ingredient" for pink diamonds could assist future efforts to find the rare stones, Olierook said, adding that discovering more was unlikely to be easy or quick.
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