55-sided, 555.55-carat black diamond from outer space to be auctioned (

Black diamonds, also known as carbonado, are extremely rare in nature and the one to be sold at auction, named The Enigma, is believed to have come from outer space.

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Posted by What a Find

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Rare pierced Iron Age gold coin found in Norfolk declared treasure (

1257 Henry III gold coin found in Devon field fetches £540k at auction (