NWA 16788

Mars Rock Auction: Largest Piece on Earth Up for Sale in New York

A record-breaking Martian meteorite, NWA 16788, weighing 54 pounds, is set to be auctioned by Sotheby’s in New York with an estimated value of $2-$4 million. This remarkable find, the largest piece of Mars discovered on Earth, was likely ejected from the planet by an asteroid impact and traveled millions of miles before landing in the Sahara. The meteorite, identified as an “olivine-microgabbroic shergottite,” is 70% larger than the next largest Martian piece and represents nearly 7% of all Martian material on Earth. Along with the meteorite, the auction also features a juvenile Ceratosaurus dinosaur skeleton.

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