An extremely rare lunar meteorite -- comprised of six fragments that fit together like a puzzle -- has been sold for USD 612,500, according to US-based RR Auction.
The meteorite is classified as NWA 11789, lunar feldspathic breccia, unofficially known as 'Buagaba' or 'The Moon Puzzle.'
It is sometimes discovered, therefore, by researchers that there are two or more examples of the same meteorite known to science, but with different numbers. In such cases they become known as 'paired.'
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