Prospector's mystery rock was no nugget, but something much rarer

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The rock that travelled in space for 4.6 billion years to end up on an Australian's doorstep

Dave Hole had tried everything. Rock saw. Drill. They all just bounced off. The damn rock would not crack. This was his last shot.

But the moment Mr Hole brought his rock in, packed inside a backpack, they started to get very excited.“It had this sculpted, dimpled look to it,” Mr Henry recalled. “That’s formed when they come through the atmosphere, they are melting on the outside, and the atmosphere sculpts them.” These were once droplets of silicate minerals that crystallised from the super-hot cloud of gas that formed our solar system. “You’re looking right back to the formation of the solar system here,” says Mr Henry.About 4.6 billion years ago our solar system consisted of lumps of this chondrite circling the sun. Gravity slowly clumped those rocks together to make Earth and the other rocky planets.Some lumps of chondrite were left over.

 

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That rock survived 4.6 billion years and then someone cut a piece off? Incredible.

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