Why this rock is probably not a meteorite:
Perhaps it is. If it's lunar, then the
white clasts are anorthosites. I suspect that the rock is not lunar,
however, because I've never see a lunar breccia that had such a high
proportion of large clasts in an apparently fine-grained matrix.
The clasts in lunar regolith breccias
are not well sorted. (Sorted is a geologic term meaning "all
about the same size.") There is a whole range of sizes in lunar
breccias. There too are many large clasts in this rock.
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What is it?
Someone sent me this photo. It had a file name "Rare Lunar.jpg."
There was a 1-sentence message in a language that I cannot understand.
I think the sender wants to sell me the rock.
This might be a lunar breccia. It might also be a terrestrial conglomerate,
or possibly even a piece of concrete. There's no way to tell from
the photo.
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