Why this rock is probably not a meteorite:
This is one of the neatest meteorwrongs we've seen. It's metal (it
conducts electricity) and it has a coating that looks something like
a fusion crust. However, the texture of the metal is too fine grained
for an iron meteorite. Big problem: Our analysis shows it to be a
an alloy containing mostly manganese.
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What is it?
A man-made slag or industrial by-product.
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