Why this rock is probably not a meteorite:
The finder thought that this might be a meteorite because of the glassy
crust. It's hard to tell how big this rock is, but it appears that
the crust is several millimeters thick. That's thicker than a meteorite
fusion crust. Also, this rocks has vesicles,
and meteorites don't have vesicles.
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What is it?
When a volcano erupts and lava flows onto the surface, the exposed
surface of the magma is the first thing to cool. This often leaves
a glassy crust. This is almost certainly a terrestrial volcanic rock.
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